[runtime] [proxy] removing JSFunctionProxy and related code.

test/mjsunit/harmony/proxies-for.js

Index: test/mjsunit/harmony/proxies-for.js
diff --git a/test/mjsunit/harmony/proxies-for.js b/test/mjsunit/harmony/proxies-for.js
index f0b36abbee71e0634154bc50fc56c7640dc2e874..4f6cfca66549067a158d4345280cbb2df70331c8 100644
--- a/test/mjsunit/harmony/proxies-for.js
+++ b/test/mjsunit/harmony/proxies-for.js
@@ -32,9 +32,10 @@
 
 function TestWithProxies(test, x, y, z) {
   test(function(h){ return new Proxy({}, h) }, x, y, z)
-  test(function(h) {
-    return Proxy.createFunction(h, function() {})
-  }, x, y, z)
+  // TODO(cbruni): enable once we have [[Call]] working.
+  // test(function(h) {
+    // return Proxy.createFunction(h, function() {})
+  // }, x, y, z)
 }