kbuild: remove unused cmd_none in scripts/Makefile.modinst

Commit 65ce9c38326e ("kbuild: move module strip/compression code into
scripts/Makefile.modinst") added this unused code.

Perhaps, I thought cmd_none was useful for CONFIG_MODULE_COMPRESS_NONE,
but I did not use it after all.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>

-3
-3
scripts/Makefile.modinst
··· 28 28 __modinst: $(modules) 29 29 @: 30 30 31 - quiet_cmd_none = 32 - cmd_none = : 33 - 34 31 # 35 32 # Installation 36 33 #