Stop diff table styling and Markdown table styling from conflicting

app/assets/stylesheets/framework/files.scss

@@ -25,10 +25,6 @@
     }
   }
 
-  table {
-    @extend .table;
-  }
-
   .file-title {
     position: relative;
     background-color: $gray-light;

app/assets/stylesheets/framework/typography.scss

@@ -163,7 +163,7 @@
     margin: 10px 0;
   }
 
-  table {
+  table:not(.code) {
     @extend .table;
     @extend .table-bordered;
     margin: 16px 0;

app/assets/stylesheets/pages/diff.scss

@@ -89,13 +89,7 @@
       }
     }
 
-    .note-text {
-      table {
-        font-family: $font-family-sans-serif;
-      }
-    }
-
-    table {
+    table.code {
       width: 100%;
       font-family: $monospace-font;
       border: 0;