[MERGE #3116 @leirocks] remove double check with VerifyPageHeapFillAfterAlloc
[MERGE #3116 @leirocks] remove double check with VerifyPageHeapFillAfterAlloc

Merge pull request #3116 from leirocks:12086711

mrkmarron/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore,mrkmarron/ChakraCore,Microsoft/ChakraCore,Microsoft/ChakraCore