Remove unused code

src/goSignature.ts

@@ -93,8 +93,6 @@ export class GoSignatureHelpProvider implements SignatureHelpProvider {
 		let parenBalance = 0;
 		let commas = [];
 		let maxLookupLines = 30;
-		let singleQuotesCount = 0;
-		let doubleQuotesCount = 0;
 
 		for (let line = position.line; line >= 0 && maxLookupLines >= 0; line--, maxLookupLines--) {
 			let currentLine = document.lineAt(line).text;