Restore comments

Author: jackyho112

lib/rules/no-unused-state.js

@@ -51,10 +51,10 @@ function getInitialClassInfo() {
 
     // Names of local variables that may be pointing to this.state. To
     // track this properly, we would need to keep track of all locals,
-    // shadowing, assignments, etc. To keep things simple, we clear the
-    // current set of aliases after each method definition and accept
-    // that it will produce some false negatives.
-    aliases: new Set()
+    // shadowing, assignments, etc. To keep things simple, we only
+    // maintain one set of aliases per method and accept that it will
+    // produce some false negatives.
+    aliases: null
   };
 }