v5: Make navbar active links consistent (#30831)

* Update navbar docs to put .active class on .nav-link

Fixes #30652

 in v5.

* Remove two selectors from navbar nav that are either unused, or duplicative

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

scss/_navbar.scss

@@ -216,8 +216,6 @@
     }
 
     .show > .nav-link,
-    .active > .nav-link,
-    .nav-link.show,
     .nav-link.active {
       color: $navbar-light-active-color;
     }
@@ -269,8 +267,6 @@
     }
 
     .show > .nav-link,
-    .active > .nav-link,
-    .nav-link.show,
     .nav-link.active {
       color: $navbar-dark-active-color;
     }

site/content/docs/5.0/components/navbar.md

@@ -45,8 +45,8 @@ Here's an example of all the sub-components included in a responsive light-theme
     </button>
     <div class="collapse navbar-collapse" id="navbarSupportedContent">
       <ul class="navbar-nav mr-auto mb-2 mb-lg-0">
-        <li class="nav-item active">
-          <a class="nav-link" aria-current="page" href="#">Home</a>
+        <li class="nav-item">
+          <a class="nav-link active" aria-current="page" href="#">Home</a>
         </li>
         <li class="nav-item">
           <a class="nav-link" href="#">Link</a>
@@ -139,8 +139,8 @@ Please note that you should also add the `aria-current` attribute on the `.nav-l
     </button>
     <div class="collapse navbar-collapse" id="navbarNav">
       <ul class="navbar-nav">
-        <li class="nav-item active">
-          <a class="nav-link" aria-current="page" href="#">Home</a>
+        <li class="nav-item">
+          <a class="nav-link active" aria-current="page" href="#">Home</a>
         </li>
         <li class="nav-item">
           <a class="nav-link" href="#">Features</a>
@@ -189,8 +189,8 @@ You may also utilize dropdowns in your navbar nav. Dropdown menus require a wrap
     </button>
     <div class="collapse navbar-collapse" id="navbarNavDropdown">
       <ul class="navbar-nav">
-        <li class="nav-item active">
-          <a class="nav-link" aria-current="page" href="#">Home</a>
+        <li class="nav-item">
+          <a class="nav-link active" aria-current="page" href="#">Home</a>
         </li>
         <li class="nav-item">
           <a class="nav-link" href="#">Features</a>
@@ -292,8 +292,8 @@ Mix and match with other components and utilities as needed.
     </button>
     <div class="collapse navbar-collapse" id="navbarText">
       <ul class="navbar-nav mr-auto mb-2 mb-lg-0">
-        <li class="nav-item active">
-          <a class="nav-link" aria-current="page" href="#">Home</a>
+        <li class="nav-item">
+          <a class="nav-link active" aria-current="page" href="#">Home</a>
         </li>
         <li class="nav-item">
           <a class="nav-link" href="#">Features</a>
@@ -323,8 +323,8 @@ Theming the navbar has never been easier thanks to the combination of theming cl
       </button>
       <div class="collapse navbar-collapse" id="navbarColor01">
         <ul class="navbar-nav mr-auto mb-2 mb-lg-0">
-          <li class="nav-item active">
-            <a class="nav-link" aria-current="page" href="#">Home</a>
+          <li class="nav-item">
+            <a class="nav-link active" aria-current="page" href="#">Home</a>
           </li>
           <li class="nav-item">
             <a class="nav-link" href="#">Features</a>
@@ -352,8 +352,8 @@ Theming the navbar has never been easier thanks to the combination of theming cl
       </button>
       <div class="collapse navbar-collapse" id="navbarColor02">
         <ul class="navbar-nav mr-auto mb-2 mb-lg-0">
-          <li class="nav-item active">
-            <a class="nav-link" aria-current="page" href="#">Home</a>
+          <li class="nav-item">
+            <a class="nav-link active" aria-current="page" href="#">Home</a>
           </li>
           <li class="nav-item">
             <a class="nav-link" href="#">Features</a>
@@ -381,8 +381,8 @@ Theming the navbar has never been easier thanks to the combination of theming cl
       </button>
       <div class="collapse navbar-collapse" id="navbarColor03">
         <ul class="navbar-nav mr-auto mb-2 mb-lg-0">
-          <li class="nav-item active">
-            <a class="nav-link" aria-current="page" href="#">Home</a>
+          <li class="nav-item">
+            <a class="nav-link active" aria-current="page" href="#">Home</a>
           </li>
           <li class="nav-item">
             <a class="nav-link" href="#">Features</a>
@@ -500,8 +500,8 @@ With no `.navbar-brand` shown in lowest breakpoint:
     <div class="collapse navbar-collapse" id="navbarTogglerDemo01">
       <a class="navbar-brand" href="#">Hidden brand</a>
       <ul class="navbar-nav mr-auto mb-2 mb-lg-0">
-        <li class="nav-item active">
-          <a class="nav-link" aria-current="page" href="#">Home</a>
+        <li class="nav-item">
+          <a class="nav-link active" aria-current="page" href="#">Home</a>
         </li>
         <li class="nav-item">
           <a class="nav-link" href="#">Link</a>
@@ -530,8 +530,8 @@ With a brand name shown on the left and toggler on the right:
     </button>
     <div class="collapse navbar-collapse" id="navbarTogglerDemo02">
       <ul class="navbar-nav mr-auto mb-2 mb-lg-0">
-        <li class="nav-item active">
-          <a class="nav-link" aria-current="page" href="#">Home</a>
+        <li class="nav-item">
+          <a class="nav-link active" aria-current="page" href="#">Home</a>
         </li>
         <li class="nav-item">
           <a class="nav-link" href="#">Link</a>
@@ -560,8 +560,8 @@ With a toggler on the left and brand name on the right:
     <a class="navbar-brand" href="#">Navbar</a>
     <div class="collapse navbar-collapse" id="navbarTogglerDemo03">
       <ul class="navbar-nav mr-auto mb-2 mb-lg-0">
-        <li class="nav-item active">
-          <a class="nav-link" aria-current="page" href="#">Home</a>
+        <li class="nav-item">
+          <a class="nav-link active" aria-current="page" href="#">Home</a>
         </li>
         <li class="nav-item">
           <a class="nav-link" href="#">Link</a>