perf($injector): remove invoke optimization that doesn't work

Closes angular#5388

Author: bwiklund

src/auto/injector.js

@@ -769,24 +769,9 @@ function createInjector(modulesToLoad) {
         fn = fn[length];
       }
 
-
-      // Performance optimization: http://jsperf.com/apply-vs-call-vs-invoke
-      switch (self ? -1 : args.length) {
-        case  0: return fn();
-        case  1: return fn(args[0]);
-        case  2: return fn(args[0], args[1]);
-        case  3: return fn(args[0], args[1], args[2]);
-        case  4: return fn(args[0], args[1], args[2], args[3]);
-        case  5: return fn(args[0], args[1], args[2], args[3], args[4]);
-        case  6: return fn(args[0], args[1], args[2], args[3], args[4], args[5]);
-        case  7: return fn(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
-        case  8: return fn(args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7]);
-        case  9: return fn(args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7],
-          args[8]);
-        case 10: return fn(args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7],
-          args[8], args[9]);
-        default: return fn.apply(self, args);
-      }
+      // http://jsperf.com/angularjs-invoke-apply-vs-switch
+      // #5388
+      return fn.apply(self, args);
     }
 
     function instantiate(Type, locals) {