remove docgen remnants from repo, update CHANGELOG

utils/apidoc/static/apidoc-styles.css

Index: utils/apidoc/static/apidoc-styles.css
diff --git a/utils/apidoc/static/apidoc-styles.css b/utils/apidoc/static/apidoc-styles.css
deleted file mode 100644
index 05e43890557c064b0e64ceb1d1b648776c0283e1..0000000000000000000000000000000000000000
--- a/utils/apidoc/static/apidoc-styles.css
+++ /dev/null
@@ -1,92 +0,0 @@
-#comments {
-  width: 1000px;
-  margin: 0 auto 22px auto;
-}
-
-.mdn {
-  border: solid 1px hsl(10, 80%, 90%);
-  border-radius: 4px;
-  font-size: 16px;
-  line-height: 22px;
-  margin: 22px 0;
-  padding: 21px 21px 0 21px;
-}
-
-/* Try to massage the MDN content a bit to look nicer. This makes sure we don't
-   double pad the insides of the box. */
-.mdn > *:first-child {
-  margin-top: 0;
-}
-
-.mdn > *:last-child {
-  margin-bottom: 0;
-}
-
-.mdn .note {
-  background: hsl(220, 80%, 93%);
-  font: 400 14px/22px 'Open Sans', 'Lucida Sans Unicode', 'Lucida Grande',
-      sans-serif;
-  color: hsl(220, 40%, 40%);
-  border-radius: 4px;
-  padding: 11px;
-}
-
-.mdn .warning {
-  background: hsl(40, 80%, 90%);
-  font: 400 14px/22px 'Open Sans', 'Lucida Sans Unicode', 'Lucida Grande',
-      sans-serif;
-  color: hsl(40, 40%, 30%);
-  border-radius: 4px;
-  padding: 11px;
-}
-
-.mdn h6 {
-  font: 600 14px/22px 'Open Sans', 'Lucida Sans Unicode', 'Lucida Grande',
-      sans-serif;
-  color: #999;
-  margin: 22px 0 0 0;
-}
-
-/* End MDN massage. */
-
-.mdn-note {
-  font: 600 11px/22px 'Open Sans', 'Lucida Sans Unicode', 'Lucida Grande',
-      sans-serif;
-  color: hsl(10, 60%, 80%);
-  text-align: right;
-  line-height: 21px; /* To absorb bottom border 1px. */
-  margin-right: -14px;
-}
-
-.mdn-note a {
-  color: hsl(10, 60%, 80%);
-}
-
-.mdn-note a:hover {
-  color: hsl(10, 60%, 60%);
-}
-
-.mdn-attribution {
-  background: hsl(10, 80%, 95%);
-  border-radius: 4px;
-  font: 400 13px/22px 'Open Sans', 'Lucida Sans Unicode', 'Lucida Grande',
-      sans-serif;
-  color: hsl(10, 30%, 30%);
-  padding: 22px 22px 22px 75px;
-}
-
-.mdn-logo {
-  float: left;
-  margin-left: -53px;
-  /*padding-right: 11px;*/
-}
-
-.correspond {
-  font: italic 400 14px/22px 'Open Sans', 'Lucida Sans Unicode',
-      'Lucida Grande', sans-serif;
-  color: #666;
-}
-
-.correspond .crossref {
-  font: inherit;
-}