Move all layouts to platters theme

layouts/shortcodes/img.html

@@ -1,21 +0,0 @@
-{{ $img := dict }}
-{{ with .Get "name" }}
-    {{ $img = $.Page.Resources.GetMatch . }}
-{{ else }}
-    {{ errorf "No name given to img shortcode" }}
-{{ end }}
-
-{{/* Space separated list of classes to apply to the <img> tag */}}
-{{ $classes := .Get "class" }}
-
-{{ $altText := .Get "alt" | default $img.Params.alt }}
-{{ if not $altText }}
-    {{ warnf "Image doesn't have alt text: %s" $img.RelPermalink }}
-{{ end }}
-
-{{ $resizedImg := $img.Fit "1280x1280" }}
-<img src="{{ $resizedImg.RelPermalink }}"
-     width="{{ $resizedImg.Width }}"
-     height="{{ $resizedImg.Height }}"
-     alt="{{ $altText }}"
-     {{ with $classes }}class="{{ . }}"{{ end }}>