No need to install Graphviz

Author: sualeh

.github/workflows/integration_tests.yml

@@ -15,13 +15,6 @@ jobs:
     - id: prepare-maven-build
       name: Prepare Maven build
       uses: sualeh/[email protected]
-    - id: install-packages
-      name: Install packages
-      run: |
-        # Install Graphviz
-        sudo apt-get -qq update
-        sudo apt-get -q install graphviz
-        dot -V
 
 # BUILD AND TEST
     - id: build-test

.github/workflows/release.yml

@@ -17,13 +17,6 @@ jobs:
     - id: prepare-maven-build
       name: Prepare Maven build
       uses: sualeh/[email protected]
-    - id: install-packages
-      name: Install packages
-      run: |
-        # Install Graphviz
-        sudo apt-get -qq update
-        sudo apt-get -q install graphviz
-        dot -V
 
 # BUILD FOR DISTRIBUTION
     - id: build