Do not copy Image.lz4-dtb and Image.gz-dtb to dist directory

pick_prebuilt script no longer packages them.

Test: make
Bug: 129350739
Change-Id: I620fff2451df16c44bab3550bbb98beb864aabe5
Signed-off-by: Hridya Valsaraju <hridya@google.com>

build.config.common

@@ -13,9 +13,7 @@ DTC_PREBUILTS_BIN=prebuilts-master/misc/linux-x86/dtc
 LIBUFDT_PREBUILTS_BIN=prebuilts-master/misc/linux-x86/libufdt
 FILES="
 arch/arm64/boot/dtbo.img
-arch/arm64/boot/Image.gz-dtb
 arch/arm64/boot/Image.gz
-arch/arm64/boot/Image.lz4-dtb
 arch/arm64/boot/Image.lz4
 arch/arm64/boot/dts/qcom/sdm670.dtb
 arch/arm64/boot/dts/qcom/sdm845-v2.1.dtb