Revert "toContain works with array-like objects (Arguments, HTMLCollections, etc)"

IE 8 doesn't have Array.prototype.indexOf so this breaks there.
Reverting until we can figure out a better way to solve across all
supported browsers.

This reverts commit 663fbd0cdb.

src/core/matchers/matchersUtil.js

@@ -19,12 +19,7 @@ getJasmineRequireObj().matchersUtil = function(j$) {
         }
         return false;
       }
-      if (!haystack) {
-        return false;
-      } else {
-        var indexOf = haystack.indexOf || Array.prototype.indexOf;
-        return indexOf.call(haystack, needle) >= 0;
-      }
+      return !!haystack && haystack.indexOf(needle) >= 0;
     },
 
     buildFailureMessage: function() {