refactor(@schematics/angular): remove classes from twitter icon as it breaks Ivy in IE11

angular/angular#32192

Author: alan-agius4

packages/schematics/angular/application/other-files/app.component.html.template

@@ -304,26 +304,12 @@
   />
   <span>Welcome</span>
     <div class="spacer"></div>
-  <a aria-label="Angular on twitter" target="_blank" rel="noopener" href="https://twitter.com/angular" title="Twitter">
-    
-    <svg id="twitter-logo" height="24" data-name="Logo — FIXED" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 400">
-      <defs>
-        <style>
-          .cls-1 {
-            fill: none;
-          }
-
-          .cls-2 {
-            fill: #ffffff;
-          }
-        </style>
-      </defs>
-      <rect class="cls-1" width="400" height="400" />
-      <path class="cls-2" d="M153.62,301.59c94.34,0,145.94-78.16,145.94-145.94,0-2.22,0-4.43-.15-6.63A104.36,104.36,0,0,0,325,122.47a102.38,102.38,0,0,1-29.46,8.07,51.47,51.47,0,0,0,22.55-28.37,102.79,102.79,0,0,1-32.57,12.45,51.34,51.34,0,0,0-87.41,46.78A145.62,145.62,0,0,1,92.4,107.81a51.33,51.33,0,0,0,15.88,68.47A50.91,50.91,0,0,1,85,169.86c0,.21,0,.43,0,.65a51.31,51.31,0,0,0,41.15,50.28,51.21,51.21,0,0,1-23.16.88,51.35,51.35,0,0,0,47.92,35.62,102.92,102.92,0,0,1-63.7,22A104.41,104.41,0,0,1,75,278.55a145.21,145.21,0,0,0,78.62,23"
-      />
-    </svg>
-    
-  </a>
+    <a aria-label="Angular on twitter" target="_blank" rel="noopener" href="https://twitter.com/angular" title="Twitter">
+      <svg id="twitter-logo" height="24" data-name="Logo" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 400">
+        <rect width="400" height="400" fill="none"/>
+        <path d="M153.62,301.59c94.34,0,145.94-78.16,145.94-145.94,0-2.22,0-4.43-.15-6.63A104.36,104.36,0,0,0,325,122.47a102.38,102.38,0,0,1-29.46,8.07,51.47,51.47,0,0,0,22.55-28.37,102.79,102.79,0,0,1-32.57,12.45,51.34,51.34,0,0,0-87.41,46.78A145.62,145.62,0,0,1,92.4,107.81a51.33,51.33,0,0,0,15.88,68.47A50.91,50.91,0,0,1,85,169.86c0,.21,0,.43,0,.65a51.31,51.31,0,0,0,41.15,50.28,51.21,51.21,0,0,1-23.16.88,51.35,51.35,0,0,0,47.92,35.62,102.92,102.92,0,0,1-63.7,22A104.41,104.41,0,0,1,75,278.55a145.21,145.21,0,0,0,78.62,23" fill="#fff"/>
+      </svg>
+    </a>
 </div>
 
 <div class="content" role="main">