[gtk-doc] configura.ac: remove comment

[Stefan Sauer <stefkost src gnome org>]

commit 1db161bd708cdfb88b362ea0b5d047034d9c3272
Author: Stefan Sauer <ensonic users sf net>
Date:   Sun Mar 19 13:54:44 2017 +0100

    configura.ac: remove comment
    
    Using unit test to verify the code would be even better :).

 configure.ac |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index cdca7d3..29238be 100644
--- a/configure.ac
+++ b/configure.ac
@@ -270,8 +270,6 @@ dnl run chmod on these after parsing them.
 AC_CONFIG_FILES([gtkdoc-check],    [chmod +x gtkdoc-check])
 AC_CONFIG_FILES([gtkdoc-depscan],  [chmod +x gtkdoc-depscan])
 AC_CONFIG_FILES([gtkdoc-fixxref],  [chmod +x gtkdoc-fixxref])
-dnl that would be nice, but would fail if perl is in a non-std path
-dnl AC_CONFIG_FILES([gtkdoc-mkdb],     [chmod +x gtkdoc-mkdb && perl -cwT gtkdoc-mkdb])
 AC_CONFIG_FILES([gtkdoc-mkdb],     [chmod +x gtkdoc-mkdb])
 AC_CONFIG_FILES([gtkdoc-mkhtml],   [chmod +x gtkdoc-mkhtml])
 AC_CONFIG_FILES([gtkdoc-mkman],    [chmod +x gtkdoc-mkman])