Doing some cleanup.

third_party/docbook-xsl-1.78.0/html/docbook.css.xml

Index: third_party/docbook-xsl-1.78.0/html/docbook.css.xml
diff --git a/third_party/docbook-xsl-1.78.0/html/docbook.css.xml b/third_party/docbook-xsl-1.78.0/html/docbook.css.xml
deleted file mode 100644
index f1509bfd8ac75e7441ec1646689cba3b77889085..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/html/docbook.css.xml
+++ /dev/null
@@ -1,110 +0,0 @@
-<?xml version="1.0"?>
-<style>
-
-/********************************/
-/* start of styles in block.xsl */
-
-.formalpara-title {
-  font-weight: bold;
-}
-
-div.blockquote-title {
-  font-weight: bold;
-  margin-top: 1em;
-  margin-bottom: 1em;
-}
-
-span.msgmain-title {
-  font-weight: bold;
-}
-
-span.msgsub-title {
-  font-weight: bold;
-}
-
-span.msgrel-title {
-  font-weight: bold;
-}
-
-div.msglevel, div.msgorig, div.msgaud {
-  margin-top: 1em;
-  margin-bottom: 1em;
-}
-
-span.msglevel-title, span.msgorig-title, span.msgaud-title {
-  font-weight: bold;
-}
-
-div.msgexplan {
-  margin-top: 1em;
-  margin-bottom: 1em;
-}
-
-span.msgexplan-title {
-  font-weight: bold;
-}
-
-/* end of styles in block.xsl */
-/********************************/
-
-/********************************/
-/* start of styles in autotoc.xsl */
-
-
-/* end of styles in autotoc.xsl */
-/********************************/
-
-/********************************/
-/* start of styles in formal.xsl */
-
-div.figure-title {
-  font-weight: bold;
-}
-
-div.example-title {
-  font-weight: bold;
-}
-
-div.equation-title {
-  font-weight: bold;
-}
-
-div.table-title {
-  font-weight: bold;
-}
-
-div.sidebar-title {
-  font-weight: bold;
-}
-
-
-/* end of styles in formal.xsl */
-/********************************/
-
-/********************************/
-/* start of styles in verbatim.xsl */
-
-div.programlisting {
-  white-space: pre;
-  font-family: monospace;
-}
-
-div.screen {
-  white-space: pre;
-  font-family: monospace;
-}
-
-div.synopsis {
-  white-space: pre;
-  font-family: monospace;
-}
-
-/* end of styles in verbatim.xsl */
-/********************************/
-
-/* footnote rule */
-hr.footnote-hr {
-  width: 100;
-}
-
-</style>