xkbfile looks like an unused dependency, remove it to fix USE="-X" build

diff --git a/src/lib/configlib/CMakeLists.txt b/src/lib/configlib/CMakeLists.txt
index 6c257c6..1c204d7 100644
--- a/src/lib/configlib/CMakeLists.txt
+++ b/src/lib/configlib/CMakeLists.txt
@@ -19,6 +19,6 @@ target_include_directories(configlib INTERFACE ${CMAKE_CURRENT_SOURCE_DIR} ${CMA
 target_link_libraries(configlib
     Qt${QT_MAJOR_VERSION}::Core Qt${QT_MAJOR_VERSION}::Gui Fcitx5Qt${QT_MAJOR_VERSION}::DBusAddons
     Fcitx5::Core Fcitx5::Utils
-    Fcitx5Qt${QT_MAJOR_VERSION}::WidgetsAddons PkgConfig::XkbFile
+    Fcitx5Qt${QT_MAJOR_VERSION}::WidgetsAddons
 )