fix(fab): remove fab plugin completely

.ci/pipelines/value_files/values_showcase.yaml

@@ -18,6 +18,8 @@ global:
     # an optional `pluginConfig` with plugin-specific backstage configuration, and an optional `disabled` flag to disable/enable a plugin
     # listed in `includes` files. It also includes an `integrity` field that is used to verify the plugin package [integrity](https://w3c.github.io/webappsec-subresource-integrity/#integrity-metadata-description).
     plugins:
+      - package: ./dynamic-plugins/dist/red-hat-developer-hub-backstage-plugin-global-floating-action-button
+        disabled: true
       - package: ./dynamic-plugins/dist/backstage-plugin-scaffolder-backend-module-github-dynamic
         disabled: false
       - package: ./dynamic-plugins/dist/backstage-plugin-catalog-backend-module-github-dynamic

app-config.dynamic-plugins.yaml

@@ -267,10 +267,6 @@ dynamicPlugins:
           importName: GlobalHeader
           config:
             position: above-main-content # above-main-content | above-sidebar
-    red-hat-developer-hub.backstage-plugin-global-floating-action-button:
-      mountPoints:
-        - mountPoint: application/listener
-          importName: DynamicGlobalFloatingActionButton
     red-hat-developer-hub.backstage-plugin-quickstart:
       mountPoints:
         - mountPoint: application/provider