Delete generate_diagrams.yaml (#67)

diff --git a/.github/workflows/generate_diagrams.yaml b/.github/workflows/generate_diagrams.yaml
deleted file mode 100644
index 47adbb1..0000000
--- a/.github/workflows/generate_diagrams.yaml
+++ /dev/null
@@ -1,32 +0,0 @@
-name: Generate diagrams.
-
-on:
-  push:
-    branches: [ main]
-
-jobs:
-  generate:
-    runs-on: ubuntu-latest
-
-    steps:
-    - name: clone the repo
-      uses: actions/checkout@v3
-
-    - name: install dart sdk
-      uses: dart-lang/setup-dart@v1.4
-      with:
-        sdk: dev
-
-    - name: version
-      run: dart --version
-
-    - name: dart pub get
-      run: dart pub get
-
-    - name: generate
-      run: dart run layerlens
-
-    - name: Commit files
-      uses: stefanzweifel/git-auto-commit-action@v4
-      with:
-        commit_message: Update dependency diagrams.