Fix handling of curly braces and statements without braces

Author: sharwell

StyleCop.Analyzers/StyleCop.Analyzers/Helpers/TokenHelper.cs

@@ -19,8 +19,7 @@ internal static class TokenHelper
         internal static bool IsFirstInLine(this SyntaxToken token)
         {
             var fullLineSpan = token.SyntaxTree.GetLineSpan(token.FullSpan);
-
-            if (token.SyntaxTree == null || fullLineSpan.StartLinePosition.Character == 0)
+            if (fullLineSpan.StartLinePosition.Character == 0)
             {
                 return true;
             }