[gxml] configure.ac: Remove unneccessary check for libvaladoc

[Richard Hans Schwarting <rschwart src gnome org>]

commit beb427f4171c1638529f5ee5d844ad3c288df39f
Author: Simon Kågedal Reimer <skagedal gmail com>
Date:   Tue Aug 27 20:45:30 2013 +0200

    configure.ac: Remove unneccessary check for libvaladoc
    
    We only need to check if the valadoc binary is installed.
    
    Signed-off-by: Richard Schwarting <aquarichy gmail com>

 configure.ac |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 1a855b2..20e4dd7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -143,7 +143,6 @@ AM_CONDITIONAL([ENABLE_DOCS], [test x$enable_docs = xyes])
 have_valadoc=no
 if test x$enable_docs = xyes; then
   # make sure the library is new enough and the program exists
-  PKG_CHECK_MODULES([VALADOC], [valadoc-1.0 >= $VALADOC_REQUIRED])
   AC_PATH_PROG([VALADOC], [valadoc], [:])
   AS_IF([test "$VALADOC" != :], have_valadoc=yes)
 fi