remove obsolete plugin implementation

packages/app/bin/templates/plugin-definitions.js.swig

@@ -1,17 +0,0 @@
-/*
- * !! don't commit this file !!
- * !!      just revert       !!
- */
-module.exports = [
-  {% for definition in definitions %}{
-    name: '{{ definition.name }}',
-    meta: require('{{ definition.name }}'),
-    entries: [
-      {% for entryPath in definition.entries %}
-      require('{{ entryPath }}').default,
-      {% endfor %}
-    ]
-  },
-  {% endfor %}
-
-]

packages/app/package.json

@@ -47,7 +47,6 @@
     "openapi:v1": "yarn cross-env API_VERSION=1 yarn swagger-jsdoc -- \"src/server/*/*.js\" \"src/server/models/**/*.js\"",
     "resources:hackmd": "yarn lerna run build --scope=@growi/hackmd",
     "resources:dummy": "true",
-    "// resources:plugin": "yarn ts-node bin/generate-plugin-definitions-source.ts",
     "// resources:dl-resources": "yarn ts-node bin/download-cdn-resources.ts",
     "ts-node": "node -r ts-node/register -r tsconfig-paths/register -r dotenv-flow/config"
   },