[Makefile] update manifest list

remove the problematic user_project_wrapper_empty.gds from the list because of the compressed v uncompressed caravel dilemma
diff --git a/Makefile b/Makefile
index 2eca3c6..dbba1c7 100644
--- a/Makefile
+++ b/Makefile
@@ -277,7 +277,6 @@
 	find maglef/*.mag -type f ! -name "user_project_wrapper.mag" -exec shasum {} \; >> manifest && \
 	shasum mag/caravel.mag mag/.magicrc >> manifest
 	shasum scripts/set_user_id.py scripts/generate_fill.py scripts/compositor.py >> manifest
-	shasum gds/user_project_wrapper_empty.gds >> manifest
 	shasum lef/user_project_wrapper_empty.lef >> manifest
 
 check-env:
diff --git a/manifest b/manifest
index 2c4ddc4..fa7f703 100644
--- a/manifest
+++ b/manifest
@@ -54,5 +54,4 @@
 86ab76d4b1b56f221ceb21271a98061ac633bac1  scripts/set_user_id.py
 de996bf9b04079f6905b8d1754da9e6a493d088a  scripts/generate_fill.py
 52c8e1882e887572bf9747330e8744037e351617  scripts/compositor.py
-f9aa94e2c1d3301a7413b1b90b432c7d6d86c89b  gds/user_project_wrapper_empty.gds
 4e3d3b2b41e3af3c3bbea4873bd2ce8c537eb6c1  lef/user_project_wrapper_empty.lef