tools compiler.h: Remove duplicate #ifndef noinline block

The same three lines also appear a bit earlier in the same file.
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20211015083144.2767725-1-linux@rasmusvillemoes.dkSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/include/linux/compiler.h

@@ -102,10 +102,6 @@
 # define __init
 #endif
 
-#ifndef noinline
-# define noinline
-#endif
-
 #include <linux/types.h>
 
 /*