fix GitHub workflows, these should never run automatically;

.github/workflows/dpkg.yml

@@ -2,12 +2,6 @@ name: dvmhost-build-dpkg
 
 # Controls when the workflow will run
 on:
-  # Triggers the workflow on push or pull request events but only for the master branch
-  push:
-#    branches: [ master ]
-  pull_request:
-#    branches: [ master ]
-
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 

.github/workflows/tarball.yml

@@ -2,10 +2,6 @@ name: dvmhost-build-tarball
 
 # Controls when the workflow will run
 on:
-  # Triggers the workflow on push or pull request events but only for the master branch
-  push:
-  pull_request:
-
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: