Removed unused eval.js file

src/shared/vendor/eval.js

@@ -1,11 +0,0 @@
-var isNode = typeof module !== 'undefined' && module.exports;
-
-if (isNode) {
-	process.once('message', function (code) {
-		eval(JSON.parse(code).data);
-	});
-} else {
-	self.onmessage = function (code) {
-		eval(code.data);
-	};
-}