fix linting errors

src/babel/transformation/transformers/es6/template-literals.js

@@ -1,3 +1,5 @@
+/* eslint no-unused-vars: 0 */
+
 import * as t from "../../../types";
 
 export var metadata = {

src/babel/transformation/transformers/other/eval.js

@@ -1,6 +1,5 @@
 import traverse from "../../../traversal";
 import parse from "../../../helpers/parse";
-import * as t from "../../../types";
 
 export var metadata = {
   group: "builtin-pre",

src/babel/traversal/scope/binding.js

@@ -18,7 +18,7 @@ export default class Binding {
    * Description
    */
 
-  deoptValue(value) {
+  deoptValue() {
     this.clearValue();
     this.deoptValue = true;
   }