Revert "Add explicit this-> to lambda.  gcc 5.4 went strange."
Revert "Add explicit this-> to lambda.  gcc 5.4 went strange."

This reverts commit 13f7e147da873d499ed421423fc22b50e46ed1f5.

EOSIO/eos,EOSIO/eos,EOSIO/eos,EOSIO/eos,EOSIO/eos