Hide audio8 and audio16 modules

plugins/Core.json

@@ -28,7 +28,8 @@
       "manualUrl": "https://vcvrack.com/manual/Core#Audio",
       "tags": [
         "External"
-      ]
+      ],
+      "hidden": true
     },
     {
       "slug": "AudioInterface16",
@@ -37,7 +38,8 @@
       "manualUrl": "https://vcvrack.com/manual/Core#Audio",
       "tags": [
         "External"
-      ]
+      ],
+      "hidden": true
     },
     {
       "slug": "MIDIToCVInterface",