Remove unused parameter

src/Features/LanguageServer/Protocol/Handler/Formatting/AbstractFormatDocumentHandlerBase.cs

@@ -21,7 +21,7 @@ protected AbstractFormatDocumentHandlerBase(ILspSolutionProvider solutionProvide
         {
         }
 
-        protected async Task<LSP.TextEdit[]> GetTextEditsAsync(LSP.TextDocumentIdentifier documentIdentifier, RequestContext context, CancellationToken cancellationToken, LSP.Range? range = null)
+        protected async Task<LSP.TextEdit[]> GetTextEditsAsync(RequestContext context, CancellationToken cancellationToken, LSP.Range? range = null)
         {
             var edits = new ArrayBuilder<LSP.TextEdit>();
             var document = context.Document;

src/Features/LanguageServer/Protocol/Handler/Formatting/FormatDocumentHandler.cs

@@ -26,6 +26,6 @@ public FormatDocumentHandler(ILspSolutionProvider solutionProvider) : base(solut
         public override LSP.TextDocumentIdentifier? GetTextDocumentIdentifier(LSP.DocumentFormattingParams request) => request.TextDocument;
 
         public override Task<LSP.TextEdit[]> HandleRequestAsync(LSP.DocumentFormattingParams request, RequestContext context, CancellationToken cancellationToken)
-            => GetTextEditsAsync(request.TextDocument, context, cancellationToken);
+            => GetTextEditsAsync(context, cancellationToken);
     }
 }

src/Features/LanguageServer/Protocol/Handler/Formatting/FormatDocumentRangeHandler.cs

@@ -26,6 +26,6 @@ public FormatDocumentRangeHandler(ILspSolutionProvider solutionProvider) : base(
         public override TextDocumentIdentifier? GetTextDocumentIdentifier(DocumentRangeFormattingParams request) => request.TextDocument;
 
         public override Task<TextEdit[]> HandleRequestAsync(DocumentRangeFormattingParams request, RequestContext context, CancellationToken cancellationToken)
-            => GetTextEditsAsync(request.TextDocument, context, cancellationToken, range: request.Range);
+            => GetTextEditsAsync(context, cancellationToken, range: request.Range);
     }
 }