Plan doesn't support Solr, so we don't need this right now

pantheon/default.yml

@@ -38,18 +38,7 @@ git-push:
     - echo "$SSH_KNOWN_HOSTS" >> ~/.ssh/known_hosts
     - ssh-keygen -R "$PANTHEON_GIT_HOST"
     - ssh-keyscan -t rsa -p "$PANTHEON_GIT_HOST_PORT" "$PANTHEON_GIT_HOST" >> ~/.ssh/known_hosts
-
-    - composer install --no-dev --no-ansi -n -d wp-content/mu-plugins/solr-power
-    - sed -i '/vendor\//d' wp-content/mu-plugins/solr-power/.gitignore
-    - sed -i '/assets\/*/d' wp-content/mu-plugins/solr-power/.gitignore
-
-    - curl -sL https://deb.nodesource.com/setup_10.x | bash -
-    - apt-get install -y nodejs
-
-    - cd ${CI_PROJECT_DIR}/wp-content/mu-plugins/solr-power
-    - npm install
-    - ./node_modules/grunt/bin/grunt
-    - rm -rf ./node_modules
+    # TODO: add build steps here once things are converted to submodules.
     # TODO: add Terminus to handle pushes and cache clearing.
   script:
     - cd ${CI_PROJECT_DIR}