Added querying and removing plugins.

bin/removePlugins.ts

@@ -0,0 +1,21 @@
+import {linkInstaller} from "ep_etherpad-lite/static/js/pluginfw/installer";
+import {persistInstalledPlugins} from "./commonPlugins";
+if (process.argv.length === 2) {
+    console.error('Expected at least one argument!');
+    process.exit(1);
+}
+
+let pluginsToRemove = process.argv.slice(2);
+
+async function run() {
+    for (const plugin of pluginsToRemove) {
+        console.log(`Removing plugin from etherpad: ${plugin}`)
+        await linkInstaller.uninstallPlugin(plugin);
+
+    }
+}
+
+(async () => {
+    await run();
+    await persistInstalledPlugins();
+})();