[glom] libglom-config.h: Remove unused GLOM_DTD_INSTALL_DIR.

[Murray Cumming <murrayc src gnome org>]

commit c23e55bfbc6a50c49c946c993d7ef8cd7277fd83
Author: Murray Cumming <murrayc murrayc com>
Date:   Sat Mar 19 09:15:25 2016 +0100

    libglom-config.h: Remove unused GLOM_DTD_INSTALL_DIR.

 glom/libglom/cmake-libglom_config.h.in |    3 ---
 glom/libglom/libglom_config.h.in       |    3 ---
 2 files changed, 0 insertions(+), 6 deletions(-)
---
diff --git a/glom/libglom/cmake-libglom_config.h.in b/glom/libglom/cmake-libglom_config.h.in
index 43e1b45..4104989 100644
--- a/glom/libglom/cmake-libglom_config.h.in
+++ b/glom/libglom/cmake-libglom_config.h.in
@@ -2,9 +2,6 @@
 #ifndef GLOM_LIBGLOM_CONFIG_H
 #define GLOM_LIBGLOM_CONFIG_H
 
-/* "definition of GLOM_DTD_INSTALL_DIR" */
-#cmakedefine GLOM_DTD_INSTALL_DIR
-
 /* Define to 1 if you have the `dcgettext' function. */
 #cmakedefine HAVE_DCGETTEXT
 
diff --git a/glom/libglom/libglom_config.h.in b/glom/libglom/libglom_config.h.in
index 28be5dd..aad3729 100644
--- a/glom/libglom/libglom_config.h.in
+++ b/glom/libglom/libglom_config.h.in
@@ -2,9 +2,6 @@
 #ifndef GLOM_LIBGLOM_CONFIG_H
 #define GLOM_LIBGLOM_CONFIG_H
 
-/* "definition of GLOM_DTD_INSTALL_DIR" */
-#undef GLOM_DTD_INSTALL_DIR
-
 /* Define to 1 if you have the `dcgettext' function. */
 #undef HAVE_DCGETTEXT