Bug#35661316 Remove unused MYSQL_PARSE_ARGUMENTS macro

The last use of MYSQL_PARSE_ARGUMENTS has been changed to
CMAKE_PARSE_ARGUMENTS, so we can remove it.

Also remove obsolete file support-files/compiler_warnings.supp

Change-Id: I9237ee360b40d522aa6803ff6071b61dd73e547b

Author: Tor Didriksen

CMakeLists.txt

@@ -827,7 +827,6 @@ INCLUDE(CMakePushCheckState)
 INCLUDE(add_custom_target)
 INCLUDE(pkg-config)
 INCLUDE(character_sets)
-INCLUDE(cmake_parse_arguments)
 INCLUDE(link_options)
 INCLUDE(malloc_utils)
 INCLUDE(cpu_info)