Remove k3-image-clip plugin

site/blueprints/files/pdf.yml

@@ -1,3 +1,3 @@
-title: Image
+title: PDF
 accept:
     mime: application/pdf

site/blueprints/sections/site_content_images.yml

@@ -9,4 +9,3 @@ size: small
 limit: 15
 image:
     ratio: 1/1
-    back: white

site/blueprints/sections/site_seo_metadata.yml

@@ -19,18 +19,15 @@ fields:
         label:
             en: Meta image
             fr: Méta image
-        type: image-clip
+        type: files
         query: site.images
+        uploads: false
+        multiple: false
+        required: true
         layout: cards
         image:
             cover: true
-            back: white
-        multiple: false
-        required: true
-        clip:
-            minwidth: 1200
-            minheight: 675
-            ratio: fixed
+            ratio: 1200/675
         help:
             en: "Image displayed by social networks (format: JPEG or PNG)."
             fr: "Image affichée par les réseaux sociaux (format : JPEG ou PNG)."