finally remove every trace of AMP 🥳 (#415)

layouts/_default/etc.amp.html

@@ -1,19 +0,0 @@
-{{ partial "amp/head" . }}
-
-<article class="layout layout-etc">
-  {{ with .OutputFormats.Get "html" }}
-  <div id="meta">
-    <a href="{{ .Permalink }}" title="View Full Version">View Full Version</a>
-  </div>
-  {{ end }}
-
-  {{ with .OutputFormats.Get "html" }}
-  <h1 class="title"><a href="{{ .Permalink }}">{{ $.Title | markdownify }}</a></h1>
-  {{ end }}
-
-  <div id="content">
-    {{ .Content }}
-  </div>
-</article>
-
-{{ partial "amp/foot" . }}

layouts/_default/single.amp.html

@@ -1,17 +0,0 @@
-{{ partial "amp/head" . }}
-
-<article class="layout layout-single">
-  <div id="meta">
-    <span title="{{ .Date.Format "Mon, Jan 2 2006 3:04:05 PM MST" }}">{{ .Date.Format "January 2, 2006" }}</span>{{ with .OutputFormats.Get "html" }}<span class="dash">—</span><a href="{{ .Permalink }}" title="View Full Version">View Full Version</a>{{ end }}
-  </div>
-
-  {{ with .OutputFormats.Get "html" }}
-  <h1 class="title"><a href="{{ .Permalink }}">{{ $.Title | markdownify }}</a></h1>
-  {{ end }}
-
-  <div id="content">
-    {{ .Content }}
-  </div>
-</article>
-
-{{ partial "amp/foot" . }}

layouts/_default/video.amp.html

@@ -1,28 +0,0 @@
-{{ partial "amp/head" . }}
-
-<article class="layout layout-video">
-  {{ with .OutputFormats.Get "html" }}
-  <h1 class="title"><a href="{{ .Permalink }}">{{ $.Title | markdownify }}</a></h1>
-  {{ end }}
-
-  <amp-video
-    layout="responsive"
-    width="{{ .Site.Params.Theme.maxWidth }}"
-    height="530"
-    {{ with .Resources.GetMatch "thumb.*" }}poster="{{ .Permalink }}"{{ end }}
-    controls>
-    {{ with .Page.Resources.GetMatch "*.webm" }}<source src="{{ .Permalink }}" type="video/webm">{{ end }}
-    {{ with .Page.Resources.GetMatch "*.mp4"  }}<source src="{{ .Permalink }}" type="video/mp4">{{ end }}
-    {{ with .Page.Resources.GetMatch "*.ogg"  }}<source src="{{ .Permalink }}" type="video/ogg">{{ end }}
-
-    {{ with .Page.Resources.GetMatch "*.vtt" }}<track src="{{ .Permalink }}" kind="captions" label="English" srclang="en" default>{{ end }}
-
-    <div fallback>
-      <p>Your browser does not support HTML5 video. {{ with .Page.Resources.GetMatch "*.mp4"  }}<a href="{{ .Permalink }}">Load the .mp4 video directly.</a>{{ end }}</p>
-    </div>
-  </amp-video>
-
-  {{ .Content }}
-</article>
-
-{{ partial "amp/foot" . }}