Revert 20313 - "Ship promises and weak collections"

test/mjsunit/harmony/proxies-hash.js

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-// Flags: --harmony-proxies --harmony-collections
+// Flags: --harmony-proxies --harmony-collections --harmony-weak-collections
 
 
 // Helper.
 
 function TestWithProxies(test, construct, handler) {
   test(construct, handler, Proxy.create)
   test(construct, handler, function(h) {
     return Proxy.createFunction(h, function() {})
   })
 }
@@ skipping 74 matching lines @@
   assertSame(undefined, m.get(p2));
 }
 
 TestMap(Map, Object.seal)
 TestMap(Map, Object.freeze)
 TestMap(Map, Object.preventExtensions)
 
 TestMap(WeakMap, Object.seal)
 TestMap(WeakMap, Object.freeze)
 TestMap(WeakMap, Object.preventExtensions)