remove extraneous newline

Author: retailcoder

Rubberduck.CodeAnalysis/QuickFixes/OptionExplicitQuickFix.cs

@@ -16,7 +16,7 @@ public OptionExplicitQuickFix()
         public override void Fix(IInspectionResult result, IRewriteSession rewriteSession)
         {
             var rewriter = rewriteSession.CheckOutModuleRewriter(result.QualifiedSelection.QualifiedName);
-            rewriter.InsertBefore(0, Tokens.Option + ' ' + Tokens.Explicit + Environment.NewLine + Environment.NewLine);
+            rewriter.InsertBefore(0, Tokens.Option + ' ' + Tokens.Explicit + Environment.NewLine);
         }
 
         public override string Description(IInspectionResult result) => Resources.Inspections.QuickFixes.OptionExplicitQuickFix;

RubberduckTests/QuickFixes/OptionExplicitQuickFixTests.cs

@@ -13,9 +13,11 @@ public class OptionExplicitQuickFixTests : QuickFixTestBase
         [Category("QuickFixes")]
         public void NotAlreadySpecified_QuickFixWorks()
         {
-            const string inputCode = "";
-            const string expectedCode =
-@"Option Explicit
+            const string inputCode = @"
+Public Sub Test() ' inspection won't yield any results if module is empty (#2621)
+End Sub
+";
+            const string expectedCode = @"Option Explicit
 
 Public Sub Test() ' inspection won't yield any results if module is empty (#2621)
 End Sub