Forbid certain methods with ES6 equivalents

We do this in core and in MobileFrontend. Let's ban some here
too.

Change-Id: I4cc24381ab0b637eb386c93bd0d88fe803db0483

.eslintrc.json

@@ -12,6 +12,36 @@
 	},
 	"rules": {
 		"no-restricted-properties": [2,
+			{
+				"object": "$",
+				"property": "noop",
+				"message": "Use function() {}"
+			},
+			{
+				"object": "$",
+				"property": "isFunction",
+				"message": "Please use typeof"
+			},
+			{
+				"object": "$",
+				"property": "map",
+				"message": "Please use Array.prototype.map instead"
+			},
+			{
+				"object": "$",
+				"property": "isArray",
+				"message": "Please use Array.isArray instead"
+			},
+			{
+				"object": "$",
+				"property": "grep",
+				"message": "Please use Array.prototype.filter instead"
+			},
+			{
+				"object": "$",
+				"property": "trim",
+				"message": "Please use String.prototype.trim instead"
+			},
 			{
 				"property": "done",
 				"message": "The method `done` if used with Deferred objects is incompatible with ES6 Promises. Please use `then`."