Revert voxglitch to 2.19.0.

manifests/voxglitch.json

@@ -1,7 +1,7 @@
 {
   "slug": "voxglitch",
   "name": "Voxglitch",
-  "version": "2.21.0",
+  "version": "2.19.0",
   "license": "GPL-3.0-or-later",
   "brand": "Voxglitch",
   "author": "Bret Truchan",
@@ -73,6 +73,17 @@
         "Sampler"
       ]
     },
+    {
+      "slug": "goblins",
+      "name": "Goblins",
+      "description": "Antisocial .wav player/scanner using granular synthesis",
+      "tags": [
+        "Granular",
+        "Sampler"
+      ],
+      "deprecated": true,
+      "hidden": true
+    },
     {
       "slug": "grainfx",
       "name": "Grain Fx",
@@ -82,6 +93,17 @@
         "Sampler"
       ]
     },
+    {
+      "slug": "grainengine",
+      "name": "Grain Engine",
+      "description": "Basic .wav player/scanner using granular synthesis",
+      "tags": [
+        "Granular",
+        "Sampler"
+      ],
+      "deprecated": true,
+      "hidden": true
+    },
     {
       "slug": "GrainEngineMK2",
       "name": "Grain Engine MK2",