chore: simplify build, don't build docker images that we aren't using

Author: starpit

Diff for: package.json

@@ -98,13 +98,7 @@
         "rm -rf ./dist/electron",
         "rm -rf ./dist/headless",
         "npm run build:electron:all",
-        "VERSION=${version} npm run release:cask",
-        "VERSION=${version} npm run build:docker:self-test",
-        "VERSION=${version} npm run build:docker:log-aggregator"
-      ],
-      "after:release": [
-        "VERSION=${version} npm run publish:docker:self-test",
-        "VERSION=${version} npm run publish:docker:log-aggregator"
+        "VERSION=${version} npm run release:cask"
       ]
     },
     "npm": {