remove bson & pandora support

procfile.js

@@ -0,0 +1,14 @@
+// For pandora
+
+/**
+ * @param {import('pandora').ProcfileReconcilerAccessor} pandora
+ */
+function start(pandora) {
+    pandora
+        .process('Hydro')
+        .scale(1)
+        .args(['--pandora'])
+        .entry('./hydro/loader.js');
+}
+
+module.exports = start;