- rm the OP_IMUL to SHL optimization from tcgx86.a_op_const_reg and tcgx86.a_op_const_ref, because it's already done in optimize_op_const, which is called in the beginning of both methods.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26491 3ad0048d-3df7-0310-abae-a5850022a9f2