remove misleading idependence claim

It is not wrong or surprising that Microsoft has broad veto rights in foundation they setup, but describing this foundation as "Independent" is highly misleading

See dotnet-foundation/Home#60 for overview and dotnet-foundation/Home#63 (comment) for the shortened version

Author: matkoniecz

input/index.cshtml

@@ -8,9 +8,9 @@ useFunctionsJS: true
     <div id="home-hero_container" class="container-fluid d-flex justify-content-center position-relative">
         <div id="home-hero_overlay" class="position-absolute"></div>
         <div id="home-hero_content" class="position-relative">
-            <h2 id="home-hero_title">Independent. Innovative. Always open source.</h2>
+            <h2 id="home-hero_title">Innovative. Always open source.</h2>
             <p id="home-hero_copy" class="mx-auto">
-                The .NET Foundation is an independent, non-profit organization established to support an innovative, commercially friendly, open-source ecosystem around the .NET platform.
+                The .NET Foundation is an non-profit organization established to support an innovative, commercially friendly, open-source ecosystem around the .NET platform.
             </p>
         </div>
     </div>