MN10300: Kill MN10300's own profiling Kconfig

Kill MN10300's own profiling Kconfig as this is superfluous given that the
profiling options have moved to init/Kconfig and arch/Kconfig.  Not only is
this now superfluous, but the dependencies are not correct.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Author: dhowells

arch/mn10300/Kconfig

@@ -370,5 +370,3 @@ source "security/Kconfig"
 source "crypto/Kconfig"
 
 source "lib/Kconfig"
-
-source "arch/mn10300/oprofile/Kconfig"