manual: remove LIBFOO_GETTEXTIZE_OPTS

Signed-off-by: Vincent Fazio <vfazio@gmail.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>

docs/manual/adding-packages-autotools.txt

@@ -136,12 +136,6 @@ cases, typical packages will therefore only use a few of them.
   'gettextize'.) Only valid when +LIBFOO_AUTORECONF=YES+. Valid
   values are +YES+ and +NO+. The default is +NO+.
 
-* +LIBFOO_GETTEXTIZE_OPTS+, to specify additional options passed to
-  the 'gettextize' program, if +LIBFOO_GETTEXTIZE=YES+. You may
-  use that if, for example, the +.po+ files are not located in the
-  standard place (i.e. in +po/+ at the root of the package.) By
-  default, '-f'.
-
 * +LIBFOO_LIBTOOL_PATCH+ tells whether the Buildroot
   patch to fix libtool cross-compilation issues should be applied or
   not. Valid values are +YES+ and +NO+. By