github/workflows: preview wrapper, remove webgl

.github/workflows/user_project_ci.yml

diff --git a/.github/workflows/user_project_ci.yml b/.github/workflows/user_project_ci.yml
index 8093c7d..84e4bed 100644
--- a/.github/workflows/user_project_ci.yml
+++ b/.github/workflows/user_project_ci.yml
@@ -247,66 +247,27 @@
         python -m pip install gdstk
         python << EOF
         import gdstk
-        library = gdstk.read_gds('gds/tiny_user_project.gds')
+        library = gdstk.read_gds('gds/user_project_wrapper.gds')
         top_cells = library.top_level()
-        top_cells[0].write_svg('tiny_user_project.svg')
+        top_cells[0].write_svg('user_project_wrapper.svg')
         EOF
     - name: convert to png
       run: |
         python -m pip install cairosvg
         python << EOF
         import cairosvg
-        cairosvg.svg2png(url='tiny_user_project.svg', write_to='tiny_user_project.png')
+        cairosvg.svg2png(url='user_project_wrapper.svg', write_to='user_project_wrapper.png')
         EOF
     - name: populate img cache
       uses: actions/cache@v3
       with:
-        path: 'tiny_user_project.png'
+        path: 'user_project_wrapper.png'
         key: ${{ runner.os }}-img-${{ github.run_id }}
 
-  webgl:
-    needs: gds
-    runs-on: ubuntu-latest
-    steps:
-    - name: checkout repo
-      uses: actions/checkout@v3
-      with:
-        repository: s-holst/GDS2WebGL
-    - name: setup python
-      uses: actions/setup-python@v4
-      with:
-        python-version: '3.10'
-    - name: restore gds cache
-      uses: actions/cache@v3
-      with:
-        path: |
-          def/
-          gds/
-          lef/
-          mag/
-          maglef/
-          sdc/
-          sdf/
-          signoff/
-          spef/
-          spi/
-          verilog/
-        key: ${{ runner.os }}-gds-${{ github.run_id }}
-    - name: GDS2WebGL
-      run: |
-        python -m pip install gdspy pyclipper mapbox_earcut
-        python gds2webgl.py -i gds/tiny_user_project.gds -o index.html
-    - name: populate webgl cache
-      uses: actions/cache@v3
-      with:
-        path: 'index.html'
-        key: ${{ runner.os }}-webgl-${{ github.run_id }}
-
   pages:
     if: github.ref_name == 'main'
     needs:
     - svg
-    - webgl
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
@@ -317,13 +278,8 @@
     - name: restore img cache
       uses: actions/cache@v3
       with:
-        path: 'tiny_user_project.png'
+        path: 'user_project_wrapper.png'
         key: ${{ runner.os }}-img-${{ github.run_id }}
-    - name: restore webgl cache
-      uses: actions/cache@v3
-      with:
-        path: 'index.html'
-        key: ${{ runner.os }}-webgl-${{ github.run_id }}
     - name: setup pages
       uses: actions/configure-pages@v2
     - name: upload artifact
@@ -340,11 +296,9 @@
     steps:
     - name: add gds preview
       run: |
-        PAGE_URL=${{ needs.pages.outputs.page_url }}
+        PAGE_URL=${{ needs.pages.outputs.page_url }} 
         PAGE_URL=$(echo "$PAGE_URL" | sed -e 's/\/$//')
         cat << EOF >> $GITHUB_STEP_SUMMARY
         # layout
-        ![layout]($PAGE_URL/tiny_user_project.png)
-        # webgl
-        [open preview]($PAGE_URL)
+        ![layout]($PAGE_URL/user_project_wrapper.png)
         EOF