Remove unnecessary interface implementations.

src/Features/CSharp/Portable/UseExpressionBody/Accessors/UseExpressionBodyForAccessorsDiagnosticAnalyzer.cs

@@ -10,7 +10,7 @@ namespace Microsoft.CodeAnalysis.CSharp.UseExpressionBody
 {
     [DiagnosticAnalyzer(LanguageNames.CSharp)]
     internal class UseExpressionBodyForAccessorsDiagnosticAnalyzer : 
-        AbstractUseExpressionBodyDiagnosticAnalyzer<AccessorDeclarationSyntax>, IBuiltInAnalyzer
+        AbstractUseExpressionBodyDiagnosticAnalyzer<AccessorDeclarationSyntax>
     {
         private readonly UseExpressionBodyForPropertiesDiagnosticAnalyzer propertyAnalyzer = new UseExpressionBodyForPropertiesDiagnosticAnalyzer();
         private readonly UseExpressionBodyForIndexersDiagnosticAnalyzer indexerAnalyzer = new UseExpressionBodyForIndexersDiagnosticAnalyzer();

src/Features/CSharp/Portable/UseExpressionBody/Constructors/UseExpressionBodyForConstructorsDiagnosticAnalyzer.cs

@@ -9,7 +9,7 @@ namespace Microsoft.CodeAnalysis.CSharp.UseExpressionBody
 {
     [DiagnosticAnalyzer(LanguageNames.CSharp)]
     internal class UseExpressionBodyForConstructorsDiagnosticAnalyzer :
-        AbstractUseExpressionBodyDiagnosticAnalyzer<ConstructorDeclarationSyntax>, IBuiltInAnalyzer
+        AbstractUseExpressionBodyDiagnosticAnalyzer<ConstructorDeclarationSyntax>
     {
         public UseExpressionBodyForConstructorsDiagnosticAnalyzer()
             : base(IDEDiagnosticIds.UseExpressionBodyForConstructorsDiagnosticId,

src/Features/CSharp/Portable/UseExpressionBody/Indexers/UseExpressionBodyForIndexersDiagnosticAnalyzer.cs

@@ -9,7 +9,7 @@ namespace Microsoft.CodeAnalysis.CSharp.UseExpressionBody
 {
     [DiagnosticAnalyzer(LanguageNames.CSharp)]
     internal class UseExpressionBodyForIndexersDiagnosticAnalyzer :
-        AbstractUseExpressionBodyDiagnosticAnalyzer<IndexerDeclarationSyntax>, IBuiltInAnalyzer
+        AbstractUseExpressionBodyDiagnosticAnalyzer<IndexerDeclarationSyntax>
     {
         public UseExpressionBodyForIndexersDiagnosticAnalyzer()
             : base(IDEDiagnosticIds.UseExpressionBodyForIndexersDiagnosticId,

src/Features/CSharp/Portable/UseExpressionBody/Methods/UseExpressionBodyForMethodsDiagnosticAnalyzer.cs

@@ -9,7 +9,7 @@ namespace Microsoft.CodeAnalysis.CSharp.UseExpressionBody
 {
     [DiagnosticAnalyzer(LanguageNames.CSharp)]
     internal class UseExpressionBodyForMethodsDiagnosticAnalyzer : 
-        AbstractUseExpressionBodyDiagnosticAnalyzer<MethodDeclarationSyntax>, IBuiltInAnalyzer
+        AbstractUseExpressionBodyDiagnosticAnalyzer<MethodDeclarationSyntax>
     {
         public UseExpressionBodyForMethodsDiagnosticAnalyzer()
             : base(IDEDiagnosticIds.UseExpressionBodyForMethodsDiagnosticId,

src/Features/CSharp/Portable/UseExpressionBody/Operators/UseExpressionBodyForConversionOperatorsDiagnosticAnalyzer.cs

@@ -9,7 +9,7 @@ namespace Microsoft.CodeAnalysis.CSharp.UseExpressionBody
 {
     [DiagnosticAnalyzer(LanguageNames.CSharp)]
     internal class UseExpressionBodyForConversionOperatorsDiagnosticAnalyzer :
-        AbstractUseExpressionBodyDiagnosticAnalyzer<ConversionOperatorDeclarationSyntax>, IBuiltInAnalyzer
+        AbstractUseExpressionBodyDiagnosticAnalyzer<ConversionOperatorDeclarationSyntax>
     {
         public UseExpressionBodyForConversionOperatorsDiagnosticAnalyzer()
             : base(IDEDiagnosticIds.UseExpressionBodyForConversionOperatorsDiagnosticId,

src/Features/CSharp/Portable/UseExpressionBody/Operators/UseExpressionBodyForOperatorsDiagnosticAnalyzer.cs

@@ -9,7 +9,7 @@ namespace Microsoft.CodeAnalysis.CSharp.UseExpressionBody
 {
     [DiagnosticAnalyzer(LanguageNames.CSharp)]
     internal class UseExpressionBodyForOperatorsDiagnosticAnalyzer :
-        AbstractUseExpressionBodyDiagnosticAnalyzer<OperatorDeclarationSyntax>, IBuiltInAnalyzer
+        AbstractUseExpressionBodyDiagnosticAnalyzer<OperatorDeclarationSyntax>
     {
         public UseExpressionBodyForOperatorsDiagnosticAnalyzer()
             : base(IDEDiagnosticIds.UseExpressionBodyForOperatorsDiagnosticId,

src/Features/CSharp/Portable/UseExpressionBody/Properties/UseExpressionBodyForPropertiesDiagnosticAnalyzer.cs

@@ -9,7 +9,7 @@ namespace Microsoft.CodeAnalysis.CSharp.UseExpressionBody
 {
     [DiagnosticAnalyzer(LanguageNames.CSharp)]
     internal class UseExpressionBodyForPropertiesDiagnosticAnalyzer :
-        AbstractUseExpressionBodyDiagnosticAnalyzer<PropertyDeclarationSyntax>, IBuiltInAnalyzer
+        AbstractUseExpressionBodyDiagnosticAnalyzer<PropertyDeclarationSyntax>
     {
         public UseExpressionBodyForPropertiesDiagnosticAnalyzer()
             : base(IDEDiagnosticIds.UseExpressionBodyForPropertiesDiagnosticId,