$NetBSD: patch-src_3rdparty_CMakeLists.txt,v 1.1 2025/03/16 14:56:12 plunky Exp $

don't provide libstemmer, use pkgsrc version

--- src/3rdparty/CMakeLists.txt.orig	2025-03-11 20:29:01.577633096 +0000
+++ src/3rdparty/CMakeLists.txt
@@ -6,7 +6,6 @@ include(../../CMakeInclude.txt)
 add_subdirectory(dxflib)
 add_subdirectory(opennurbs)
 add_subdirectory(spatialindexnavel)
-add_subdirectory(stemmer)
 
 IF(NOT BUILD_QT6)
 	add_subdirectory(qt-labs-qtscriptgenerator-5.5.0)