ANDROID: Delete MODULES_LIST from build configs.

They are controlled by kernel_images.modules_list, which is
set by define_common_kernels already.

The flags in build.configs has no effect.

Test: TH
Bug: 287697703
Change-Id: I1e322529476b4db67a1574393819900bdbd41311
Signed-off-by: Yifan Hong <elsk@google.com>

build.config.gki.aarch64

@@ -8,7 +8,6 @@ arch/arm64/boot/Image.gz
 "
 
 BUILD_SYSTEM_DLKM=1
-MODULES_LIST=${ROOT_DIR}/${KERNEL_DIR}/android/gki_system_dlkm_modules
 
 BUILD_GKI_CERTIFICATION_TOOLS=1
 

build.config.gki.riscv64

@@ -8,7 +8,6 @@ arch/riscv/boot/Image.gz
 "
 
 BUILD_SYSTEM_DLKM=1
-MODULES_LIST=${ROOT_DIR}/${KERNEL_DIR}/android/gki_system_dlkm_modules
 
 BUILD_GKI_CERTIFICATION_TOOLS=1
 

build.config.gki.x86_64

@@ -3,7 +3,6 @@
 . ${ROOT_DIR}/${KERNEL_DIR}/build.config.gki
 
 BUILD_SYSTEM_DLKM=1
-MODULES_LIST=${ROOT_DIR}/${KERNEL_DIR}/android/gki_system_dlkm_modules
 
 BUILD_GKI_CERTIFICATION_TOOLS=1