$NetBSD$

Don't use kdewebkit

--- kioslave/thumbnail/CMakeLists.txt.orig	2017-10-01 01:02:55.000000000 +0000
+++ kioslave/thumbnail/CMakeLists.txt
@@ -89,18 +89,6 @@ install(TARGETS textthumbnail DESTINATIO
 
 ########### next target ###############
 
-if(NOT WINCE)
-set(htmlthumbnail_PART_SRCS htmlcreator.cpp)
-
-kde4_add_plugin(htmlthumbnail ${htmlthumbnail_PART_SRCS})
-
-target_link_libraries(htmlthumbnail ${KDE4_KDEWEBKIT_LIBS})
-
-install(TARGETS htmlthumbnail DESTINATION ${PLUGIN_INSTALL_DIR})
-endif(NOT WINCE)
-
-########### next target ###############
-
 if(NOT WIN32)
 set(djvuthumbnail_PART_SRCS djvucreator.cpp)