Remove AMP support

Doesn't fit with our standard of ethics. Fixes #215.

Author: philwareham

Gruntfile.js

@@ -168,10 +168,6 @@ module.exports = function (grunt)
                         {
                             match: 'timestamp',
                             replacement: '<%= opt.timestamp %>'
-                        },
-                        {
-                            match: 'ampcss',
-                            replacement: '<%= grunt.file.read("public/assets/css/amp.css") %>'
                         }
                     ]
                 },
@@ -209,7 +205,6 @@ module.exports = function (grunt)
             dist: {
                 files: [
                     {'<%= paths.dest.css %>style.css': '<%= paths.src.sass %>style.scss'},
-                    {'<%= paths.dest.css %>amp.css': '<%= paths.src.sass %>amp.scss'},
                     {'<%= paths.dest.css %>designpatterns.css': '<%= paths.src.sass %>designpatterns.scss'}
                 ]
             }

README.md

@@ -113,7 +113,6 @@ For example:
 All plugins we use are installed via Composer:
 
 * [`etc_cache`](https://github.com/etc-plugins/etc_cache) ✓ Composer
-* [`pat_if_amp`](https://github.com/cara-tm/pat_if_amp) ✓ Composer
 * [`rah_comment_spam`](https://github.com/gocom/rah_comment_spam) ✓ Composer
 * [`smd_thumbnail`](https://github.com/bloke/smd_thumbnail) ✓ Composer
 

composer.json

@@ -7,7 +7,6 @@
     "textpattern/lock": "4.7.3",
     "textpattern/installer": "1.0.10",
     "bloke/smd_thumbnail": "0.5.3",
-    "cara-tm/pat_if_amp": "0.3.7",
     "etc-plugins/etc_cache": "0.2.8",
     "rah/rah_comment_spam": "0.9.0"
   }