drop pdf.js dependency

bower.json

@@ -37,7 +37,6 @@
     "diff-dom": "^2.1.1",
     "alertifyjs": "^1.0.11",
     "scrypt-async": "^1.2.0",
-    "bootstrap": "#v4.0.0-alpha.6",
+    "bootstrap": "#v4.0.0-alpha.6"
-    "pdfjs-dist": "^1.8.398"
   }
 }

www/media/inner.html

@@ -8,6 +8,7 @@
     <style>
     html, body {
         margin: 0px;
+        height: 100%;
     }
     .cryptpad-toolbar {
         margin-bottom: 1px;

www/media/main.js

@@ -6,8 +6,8 @@ define([
     '/common/cryptpad-common.js',
     //'/common/visible.js',
     //'/common/notify.js',
-    'pdfjs-dist/build/pdf',
+    //'pdfjs-dist/build/pdf',
-    'pdfjs-dist/build/pdf.worker',
+    //'pdfjs-dist/build/pdf.worker',
     '/bower_components/tweetnacl/nacl-fast.min.js',
     '/bower_components/file-saver/FileSaver.min.js',
 ], function ($, Crypto, realtimeInput, Toolbar, Cryptpad /*, Visible, Notify*/) {