mem/hugemmap03: Strip hugepage usage.

As previously discussed the test does not test anything hugepage
specific bug generic condition that mmap() outside the process address
space fails with ENOMEM.

This commit strips hugepage usage from the test. Next commit will move
it to mmap testcases.

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
syscalls: Move hugemmap03 to mmap15

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>