Remove SA1000 handling of 'typevar' attribute location specifier

Author: sharwell

StyleCop.Analyzers/StyleCop.Analyzers/SpacingRules/SA1000KeywordsMustBeSpacedCorrectly.cs

@@ -104,7 +104,6 @@ private static void HandleSyntaxTree(SyntaxTreeAnalysisContext context)
                 case SyntaxKind.StackAllocKeyword:
                 case SyntaxKind.SwitchKeyword:
                 case SyntaxKind.UsingKeyword:
-                case SyntaxKind.TypeVarKeyword:
                 case SyntaxKind.WhereKeyword:
                 case SyntaxKind.WhileKeyword:
                 case SyntaxKind.YieldKeyword: