remove unnecessary patch (closes #1142)

git-svn-id: svn://svn.openwrt.org/openwrt/packages@5999 3c298f89-4303-0410-b956-a3cf2f4a3e73

libs/libgphoto2/patches/030-memleaks.patch

@@ -1,13 +0,0 @@
-diff -ruN libgphoto2-2.2.1-old/camlibs/ptp2/library.c libgphoto2-2.2.1-new/camlibs/ptp2/library.c
---- libgphoto2-2.2.1-old/camlibs/ptp2/library.c	2006-06-16 07:08:21.000000000 +0200
-+++ libgphoto2-2.2.1-new/camlibs/ptp2/library.c	2006-12-17 16:15:03.000000000 +0100
-@@ -1242,6 +1242,9 @@
- 	ret = gp_filesystem_set_file_noop(camera->fs, path->folder, file, context);
-         if (ret != GP_OK) return ret;
- 
-+	/* We have now handed over the file, disclaim responsibility by unref. */
-+	gp_file_unref (file);
-+
- 	/* we also get the fs info for free, so just set it */
- 	info.file.fields = GP_FILE_INFO_TYPE | GP_FILE_INFO_NAME | 
- 			GP_FILE_INFO_WIDTH | GP_FILE_INFO_HEIGHT |