[openwrt/openwrt] mediatek: remove left-over reference to make_gl_metadata.py

[LEDE Commits]

dangole pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/fd0118c0a58fa06bced88b64d24b7e921213a56e

commit fd0118c0a58fa06bced88b64d24b7e921213a56e
Author: Daniel Golle <daniel at makrotopia.org>
AuthorDate: Thu May 18 11:21:48 2023 +0100

    mediatek: remove left-over reference to make_gl_metadata.py
    
    When adding support for the GL.iNet GL-MT3000 a reference to the
    non-existent make_gl_metadata.py script was accidentally added.
    Remove it, flashing from vendor firmware also works fine without that.
    
    Signed-off-by: Daniel Golle <daniel at makrotopia.org>
---
 target/linux/mediatek/image/filogic.mk | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/target/linux/mediatek/image/filogic.mk b/target/linux/mediatek/image/filogic.mk
index dcd048046c..5c8b47c662 100644
--- a/target/linux/mediatek/image/filogic.mk
+++ b/target/linux/mediatek/image/filogic.mk
@@ -53,9 +53,7 @@ metadata_gl_json = \
 			"revision": "$(call json_quote,$(REVISION))", \
 			"target": "$(call json_quote,$(TARGETID))", \
 			"board": "$(call json_quote,$(if $(BOARD_NAME),$(BOARD_NAME),$(DEVICE_NAME)))" \
-		}, \
-		"upgrade_control":"$(shell python3 $(TOPDIR)/make_gl_metadata.py)", \
-		"release_note":"$(shell sed ':a;N;s/\n/\\n/g;s/\r/\\r/g;ta' $(TOPDIR)/gl_release_note)" \
+		} \
 	}'
 
 define Build/append-gl-metadata