[libgdamm] convert_libgdamm.m4: Remove unused conversion.

[Murray Cumming <murrayc src gnome org>]

commit b2a5c272474689f7fef97ec52d3a3520cd547d17
Author: Murray Cumming <murrayc murrayc com>
Date:   Wed Apr 26 22:48:50 2017 +0200

    convert_libgdamm.m4: Remove unused conversion.

 tools/m4/convert_libgdamm.m4 |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/tools/m4/convert_libgdamm.m4 b/tools/m4/convert_libgdamm.m4
index 740cb9a..255f651 100644
--- a/tools/m4/convert_libgdamm.m4
+++ b/tools/m4/convert_libgdamm.m4
@@ -116,7 +116,6 @@ _CONV_ENUM(Gda,ClientSpecsType)
 _CONV_GNOME_GDA_INCLASS_ENUM(DataModel,AccessFlags)
 _CONV_GNOME_GDA_INCLASS_ENUM(DataModel,Hint)
 _CONV_GNOME_GDA_INCLASS_ENUM(DataModel,IOFormat)
-_CONV_ENUM(Gda,DataModelQueryOptions)
 _CONV_ENUM(Gda,ConnectionOptions)
 _CONV_ENUM(Gda,ValueType)
 _CONV_ENUM(Gda,TransactionIsolation)