First round of dead file removal

experimental/visual_studio_plugin/src/MsAd7.BaseImpl/ExtensionMethods.cs

Index: experimental/visual_studio_plugin/src/MsAd7.BaseImpl/ExtensionMethods.cs
diff --git a/experimental/visual_studio_plugin/src/MsAd7.BaseImpl/ExtensionMethods.cs b/experimental/visual_studio_plugin/src/MsAd7.BaseImpl/ExtensionMethods.cs
deleted file mode 100644
index 57e96b519d48e9f8b86fc03fbd377dcb03f19a8d..0000000000000000000000000000000000000000
--- a/experimental/visual_studio_plugin/src/MsAd7.BaseImpl/ExtensionMethods.cs
+++ /dev/null
@@ -1,24 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using Microsoft.VisualStudio.Debugger.Interop;
-
-namespace Google.MsAd7.BaseImpl
-{
-  public static class ExtensionMethods
-  {
-    public static bool HasFlag(this enum_THREADPROPERTY_FIELDS a, enum_THREADPROPERTY_FIELDS b) {
-      return ((uint) a & (uint) b) != 0;
-    }
-
-    public static bool HasFlag(this enum_DEBUGPROP_INFO_FLAGS a, enum_DEBUGPROP_INFO_FLAGS b)
-    {
-      return ((uint)a & (uint)b) != 0;
-    }
-
-    public static bool Equals(this TEXT_POSITION a, TEXT_POSITION b) {
-      return (a.dwLine == b.dwLine) && (a.dwColumn == b.dwColumn);
-    }
-  }
-}