[libgdata] build: Remove outdated documentation checks

[Philip Withnall <pwithnall src gnome org>]

commit 05ea0cd77b35ea8313b3e79a60c406f80c57425e
Author: Philip Withnall <philip tecnocode co uk>
Date:   Sat Aug 9 18:12:51 2014 +0100

    build: Remove outdated documentation checks
    
    These are now performed by gtk-doc. Yay!

 docs/reference/Makefile.am |   12 ------------
 1 files changed, 0 insertions(+), 12 deletions(-)
---
diff --git a/docs/reference/Makefile.am b/docs/reference/Makefile.am
index be1e078..5957d38 100644
--- a/docs/reference/Makefile.am
+++ b/docs/reference/Makefile.am
@@ -125,16 +125,4 @@ TESTS_ENVIRONMENT = cd $(builddir) &&
 TESTS = $(GTKDOC_CHECK)
 endif
 
-check-local: check-xml-includes
-check-xml-includes:
-       @any_missing=0; find $(srcdir) -name "*.xml" | while read x; do \
-               xml_file="$${x#./}"; \
-               if test "x$$xml_file" != "x$(DOC_MAIN_SGML_FILE)"; then \
-                       if ! grep "\"$$xml_file\"" $(DOC_MAIN_SGML_FILE) >/dev/null; then \
-                               echo "$(DOC_MAIN_SGML_FILE) doesn't appear to include \"$$xml_file\""; \
-                               any_missing=1; \
-                       fi; \
-               fi; \
-       done; exit "$$any_missing"
-
 -include $(top_srcdir)/git.mk