remove old gds

.github/workflows/install-glofo.yaml

diff --git a/.github/workflows/install-glofo.yaml b/.github/workflows/install-glofo.yaml
index a659376..6eb38b2 100644
--- a/.github/workflows/install-glofo.yaml
+++ b/.github/workflows/install-glofo.yaml
@@ -22,8 +22,8 @@
     - name: pdk & openlane
       run: make setup
 
-    - name: uncompress gds
-      run: make uncompress
+    - name: remove old gds
+      run: rm gds/*
 
     - name: clock GDS
       run: make wrapped_vga_clock