Delete the external-module style Makefile commands. They are not needed
for in-tree modules.

This is the only Makefile in the kernel tree (aside from tools/ and
samples/) that uses this Makefile style.

The same files are built with or without this patch.

Fixes: 056f2821b631 ("media: cec: extron-da-hd-4k-plus: add the Extron DA HD 4K Plus CEC driver")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Hans Verkuil <hverkuil@kernel.org>
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: linux-media@vger.kernel.org
Cc: Masahiro Yamada <masahiroy@kernel.org>
---
 drivers/media/cec/usb/extron-da-hd-4k-plus/Makefile |    6 ------
 1 file changed, 6 deletions(-)

--- linux-next.orig/drivers/media/cec/usb/extron-da-hd-4k-plus/Makefile
+++ linux-next/drivers/media/cec/usb/extron-da-hd-4k-plus/Makefile
@@ -1,8 +1,2 @@
 extron-da-hd-4k-plus-cec-objs := extron-da-hd-4k-plus.o cec-splitter.o
 obj-$(CONFIG_USB_EXTRON_DA_HD_4K_PLUS_CEC) := extron-da-hd-4k-plus-cec.o
-
-all:
-	$(MAKE) -C $(KDIR) M=$(shell pwd) modules
-
-install:
-	$(MAKE) -C $(KDIR) M=$(shell pwd) modules_install