fix: classic-decorator-no-classic-methods matching private identifiers

Author: c0rydoras

lib/rules/classic-decorator-no-classic-methods.js

@@ -56,7 +56,7 @@ module.exports = {
         if (!inClassExtends) {
           return;
         }
-        if (node.object.type !== 'ThisExpression') {
+        if (node.object.type !== 'ThisExpression' || node.property.type === 'PrivateIdentifier') {
           return;
         }