Remove unused HLJS code and unnecessary components

public/css/highlight/tomorrow-night-bright.css

@@ -1,70 +0,0 @@
-/* Tomorrow Night Bright Theme */
-/* Original theme - https://github.com/chriskempson/tomorrow-theme */
-/* http://jmblog.github.com/color-themes-for-google-code-highlightjs */
-
-/* Tomorrow Comment */
-.hljs-comment,
-.hljs-quote {
-  color: #969896;
-}
-
-/* Tomorrow Red */
-.hljs-variable,
-.hljs-template-variable,
-.hljs-tag,
-.hljs-name,
-.hljs-selector-id,
-.hljs-selector-class,
-.hljs-regexp,
-.hljs-deletion {
-  color: #d54e53;
-}
-
-/* Tomorrow Orange */
-.hljs-number,
-.hljs-built_in,
-.hljs-literal,
-.hljs-type,
-.hljs-params,
-.hljs-meta,
-.hljs-link {
-  color: #e78c45;
-}
-
-/* Tomorrow Yellow */
-.hljs-attribute {
-  color: #e7c547;
-}
-
-/* Tomorrow Green */
-.hljs-string,
-.hljs-symbol,
-.hljs-bullet,
-.hljs-addition {
-  color: #b9ca4a;
-}
-
-/* Tomorrow Blue */
-.hljs-title,
-.hljs-section {
-  color: #7aa6da;
-}
-
-/* Tomorrow Purple */
-.hljs-keyword,
-.hljs-selector-tag {
-  color: #c397d8;
-}
-
-.hljs {
-  background: black;
-  color: #eaeaea;
-}
-
-.hljs-emphasis {
-  font-style: italic;
-}
-
-.hljs-strong {
-  font-weight: bold;
-}

public/css/master.css

@@ -376,11 +376,6 @@ caption {
 table.info-table tr td small {
     margin-bottom: 5px;
 }
-
-.hljs {
-    background: none !important;
-}
-
 .me img {
     float: right;
     margin: 5px;