Doc: Remove update_mathjax target
diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index d85272e..f1a71d9 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -181,7 +181,7 @@
     add_custom_target(doc
         COMMAND ${DOXYGEN_EXECUTABLE} user.doxyfile | ${_DOXYGEN_UNNEEDED_WARNINGS_FILTER}
         WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/etc"
-        DEPENDS doxysql ${_MATHJAX_DEPENDENCY_USER}
+        DEPENDS doxysql
             "${CMAKE_CURRENT_BINARY_DIR}/etc/literature.bib"
         COMMENT "Generating user-level documentation..."
         VERBATIM
@@ -190,7 +190,7 @@
     add_custom_target(devdoc
         COMMAND ${DOXYGEN_EXECUTABLE} developer.doxyfile | ${_DOXYGEN_UNNEEDED_WARNINGS_FILTER}
         WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/etc"
-        DEPENDS doxysql update_mathjax
+        DEPENDS doxysql
             "${CMAKE_CURRENT_BINARY_DIR}/etc/literature.bib"
         COMMENT "Generating developer documentation..."
         VERBATIM