stylesheets: rename *.css.scss -> *.scss.

Fixes "DEPRECATION WARNING: Extra .css in SCSS file is unnecessary."

app/assets/stylesheets/specific/wiki_pages.scss

@@ -0,0 +1,40 @@
+div#c-wiki-pages, div#excerpt {
+  span.version {
+    color: #AAA;
+  }
+
+  div.notice {
+    font-size: 0.8em;
+    padding: 1em;
+    margin: 1em 0;
+  }
+  
+  del {
+    background: #FCC;
+    text-decoration: none;
+  }
+
+  ins {
+    background: #CFC;
+    text-decoration: none;
+  }
+
+  table {
+    margin-bottom: 1em;
+  }
+
+  #content {
+    margin-left: 15em;
+    padding-left: 1em;
+  }
+
+  .hint {
+    display: block;
+  }
+
+  .other-name {
+    background-color: #EEE;
+    padding: 3px;
+    border-radius: 3px;
+  }
+}