downgrade to kirby v3

kirby/config/blocks/gallery/gallery.yml

@@ -8,33 +8,9 @@ fields:
     query: model.images
     multiple: true
     layout: cards
-    size: small
+    size: tiny
     empty: field.blocks.gallery.images.empty
     uploads:
       template: blocks/image
     image:
       ratio: 1/1
-  caption:
-    label: field.blocks.image.caption
-    type: writer
-    icon: text
-    inline: true
-  ratio:
-    label: field.blocks.image.ratio
-    type: select
-    placeholder: Auto
-    width: 1/2
-    options:
-      1/1: "1:1"
-      16/9: "16:9"
-      10/8: "10:8"
-      21/9: "21:9"
-      7/5: "7:5"
-      4/3: "4:3"
-      5/3: "5:3"
-      3/2: "3:2"
-      3/1: "3:1"
-  crop:
-    label: field.blocks.image.crop
-    type: toggle
-    width: 1/2