Remove unused GNOME cmake flags

There are no longer any Gnome dependencies

CMakeLists.txt

@@ -54,7 +54,6 @@ option (ENABLE_BINRELOC "compile with binary relocation support" ON)
 option (DISABLE_NLS "do not use Native Language Support" OFF)
 option (DISABLE_DEPRECATED_GLIB "don't use deprecated glib functions" OFF)
 option (DISABLE_DEPRECATED_GTK "don't use deprecated gtk, gdk or gdk-pixbuf functions" OFF)
-option (DISABLE_DEPRECATED_GNOME "don't use deprecated gnome functions" OFF)
 # ############################################################
 
 # These are also settable from the command line in a similar way.
@@ -773,9 +772,6 @@ set(PLATFORM_OSX 1)
 set(HAVE_OSX_KEYCHAIN 1)
 endif()
 
-if(DISABLE_DEPRECATED_GNOME)
-set(GNOME_DISABLE_DEPRECATED 1)
-endif()
 
 if(DISABLE_DEPRECATED_GTK)
 set(GTK_DISABLE_DEPRECATED 1)

common/config.h.cmake.in

@@ -43,12 +43,6 @@
 /* Microsoft Windows OS */
 #cmakedefine GNC_PLATFORM_WINDOWS 1
 
-/* using GNOME */
-#cmakedefine GNOME
-
-/* Don't use deprecated gnome functions */
-#cmakedefine GNOME_DISABLE_DEPRECATED
-
 /* GnuCash build identification, which defaults to a description of the vcs
    commit from which gnucash is built. Distributions may want to insert a
    package management based version string instead. */