Update mem_changer.py

Removed 'memory add fails - 1' check from verify() as it was filtering out working chains.

Author: astewart-bah

angrop/chain_builder/mem_changer.py

@@ -23,9 +23,6 @@ def verify(self, chain, addr, value, _):
         chain2 = chain.copy()
         chain2._blank_state.memory.store(addr.data, 0x42424242, self.project.arch.bytes)
         state = chain2.exec()
-        sim_data = state.memory.load(addr.data, self.project.arch.bytes, endness=self.project.arch.memory_endness)
-        if not state.solver.eval(sim_data == 0x42424242 + value.data):
-            raise RopException("memory add fails - 1")
         # the next pc must come from the stack
         if len(state.regs.pc.variables) != 1:
             raise RopException("memory add fails - 2")