Revert "Docs and examples switch retains filter"

This reverts commit d49dbf8.

Author: octopoulos

docs/index.html

@@ -53,7 +53,6 @@ <h1><a href="https://threejs.org">three.js</a></h1>
 		const exitSearchButton = document.getElementById( 'exitSearchButton' );
 		const panelScrim = document.getElementById( 'panelScrim' );
 		const filterInput = document.getElementById( 'filterInput' );
-		const sectionLink = document.querySelector('#sections > a');
 		let iframe = document.querySelector( 'iframe' );
 
 		const pageProperties = {};
@@ -186,10 +185,6 @@ <h1><a href="https://threejs.org">three.js</a></h1>
 
 				updateFilter();
 
-			} else {
-
-				updateLink('');
-
 			}
 
 		}
@@ -392,31 +387,6 @@ <h1><a href="https://threejs.org">three.js</a></h1>
 
 			displayFilteredPanel();
 
-			updateLink(v);
-
-		}
-
-		function updateLink(search) {
-
-			// update examples link
-
-			if ( ! sectionLink.href2 ) {
-
-				sectionLink.href2 = sectionLink.href;
-
-			}
-
-			if (search) {
-
-				let link = sectionLink.href.split(/[?#]/)[0];
-				sectionLink.href = `${link}?q=${search}`;
-
-			} else {
-
-				sectionLink.href = sectionLink.href2;
-
-			}
-
 		}
 
 		function displayFilteredPanel() {

examples/index.html

@@ -53,7 +53,6 @@ <h1><a href="https://threejs.org">three.js</a></h1>
 		const expandButton = document.getElementById( 'expandButton' );
 		const viewSrcButton = document.getElementById( 'button' );
 		const panelScrim = document.getElementById( 'panelScrim' );
-		const sectionLink = document.querySelector('#sections > a');
 
 		const previewsToggler = document.getElementById( 'previewsToggler' );
 
@@ -121,10 +120,6 @@ <h1><a href="https://threejs.org">three.js</a></h1>
 
 				updateFilter( files, tags );
 
-			} else {
-
-				updateLink('');
-
 			}
 
 			// Events
@@ -272,31 +267,6 @@ <h1><a href="https://threejs.org">three.js</a></h1>
 
 			layoutList( files );
 
-			updateLink(v);
-
-		}
-
-		function updateLink(search) {
-
-			// update examples link
-
-			if ( ! sectionLink.href2 ) {
-
-				sectionLink.href2 = sectionLink.href;
-
-			}
-
-			if (search) {
-
-				let link = sectionLink.href.split(/[?#]/)[0];
-				sectionLink.href = `${link}?q=${search}`;
-
-			} else {
-
-				sectionLink.href = sectionLink.href2;
-
-			}
-
 		}
 
 		function filterExample( file, exp, tags ) {