get rid of file-wide eslint-disable in favor of targetted overrides

Author: mikesamuel

lib/Template.js

@@ -1,5 +1,3 @@
-/* eslint no-unused-vars: "off" */
-
 try {
   module.exports = require('./es6/Template');
 } catch (ignored) {
@@ -15,6 +13,7 @@ try {
   // calledAsTemplateTagQuick unless that function has
   // returned true.
 
+  // eslint-disable-next-line no-unused-vars
   module.exports = function (sqlStrings) {
     // This might be reached if client code is transpiled down to
     // ES5 but this module is not.
@@ -26,6 +25,7 @@ try {
    *
    * @return {boolean} always false in ES<6 compatibility mode.
    */
+  // eslint-disable-next-line no-unused-vars
   module.exports.calledAsTemplateTagQuick = function (firstArg, nArgs) {
     return false;
   };