Drop targetm.promote_prototypes from C, C++ and Ada frontends

Drop targetm.promote_prototypes from C, C++ and Ada frontends

Remove the targetm.calls.promote_prototypes call from C, C++ and Ada
frontends.

gcc/

	PR c/48274
	PR middle-end/112877
	PR middle-end/118288
	* gimple.cc (gimple_builtin_call_types_compatible_p): Remove the
	targetm.calls.promote_prototypes call.
	* tree.cc (tree_builtin_call_types_compatible_p): Likewise.

gcc/ada/

	PR middle-end/112877
	* gcc-interface/utils.cc (create_param_decl): Remove the
	targetm.calls.promote_prototypes call.

gcc/c/

	PR c/48274
	PR middle-end/112877
	PR middle-end/118288
	* c-decl.cc (start_decl): Remove the
	targetm.calls.promote_prototypes call.
	(store_parm_decls_oldstyle): Likewise.
	(finish_function): Likewise.
	* c-typeck.cc (convert_argument): Likewise.
	(c_safe_arg_type_equiv_p): Likewise.

gcc/cp/

	PR middle-end/112877
	* call.cc (type_passed_as): Remove the
	targetm.calls.promote_prototypes call.
	(convert_for_arg_passing): Likewise.
	* typeck.cc (cxx_safe_arg_type_equiv_p): Likewise.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>