Surpress CA1711:Identifiers should not have incorrect suffix

Renaming everything would be a lot of work. It does not do any harm if an EventHandler delegate ends with the suffix EventHandler.
Besides this, the Rule causes some false postives

src/codeAnalysis/GlobalSuppressions.cs

@@ -33,6 +33,7 @@
 [assembly: SuppressMessage("Usage", "VSTHRD103:Call async methods when in an async method", Justification = "Resource DictionaryWriter does not implement flush async", Scope = "member", Target = "~M:Microsoft.Templates.Core.PostActions.Catalog.Merge.MergeResourceDictionaryPostAction.ExecuteInternalAsync~System.Threading.Tasks.Task")]
 [assembly: SuppressMessage("Naming", "CA1707:Identifiers should not contain underscores", Justification = "Used in a lot of places for meaningful method names")]
 [assembly: SuppressMessage("Performance", "CA1822:Mark members as static", Justification = "Static methods may improve performance but decrease maintainability")]
+[assembly: SuppressMessage("Naming", "CA1711:Identifiers should not have incorrect suffix", Justification = "Renaming everything would be a lot of work. It does not do any harm if an EventHandler delegate ends with the suffix EventHandler. Besides this, the Rule causes some false postives.")]
 
 // Threading suppressions
 [assembly: SuppressMessage("Microsoft.VisualStudio.Threading.Analyzers", "VSTHRD100:Avoid async void methods", Justification = "Event handlers needs async void", Scope = "member", Target = "~M:Microsoft.Templates.UI.Controls.Notification.OnClose")]