Remove double 'if' (#17436)

src/compiler/checker.ts

@@ -2099,10 +2099,8 @@ namespace ts {
                 }
             }
 
-            if (symbol) {
-                if (!(isPropertyOrMethodDeclarationSymbol(symbol))) {
-                    return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable);
-                }
+            if (symbol && !isPropertyOrMethodDeclarationSymbol(symbol)) {
+                return forEachSymbolTableInScope(enclosingDeclaration, getAccessibleSymbolChainFromSymbolTable);
             }
         }