Don't use deprecated variable

Modules/cpu/CMakeLists.txt

@@ -9,6 +9,6 @@ add_definitions(-DTRANSLATION_DOMAIN=\"kcm_cpu\")
 add_library(kcm_cpu MODULE main.cpp)
 target_link_libraries(kcm_cpu KF5::CoreAddons KF5::QuickAddons KF5::I18n KInfoCenterInternal)
 
-install(TARGETS kcm_cpu DESTINATION ${PLUGIN_INSTALL_DIR}/plasma/kcms/kinfocenter)
+install(TARGETS kcm_cpu DESTINATION ${KDE_INSTALL_PLUGINDIR}/plasma/kcms/kinfocenter)
 
 kpackage_install_package(package kcm_cpu kcms)

Modules/egl/CMakeLists.txt

@@ -9,6 +9,6 @@ add_definitions(-DTRANSLATION_DOMAIN=\"kcm_egl\")
 add_library(kcm_egl MODULE main.cpp)
 target_link_libraries(kcm_egl KF5::CoreAddons KF5::QuickAddons KF5::I18n KInfoCenterInternal)
 
-install(TARGETS kcm_egl DESTINATION ${PLUGIN_INSTALL_DIR}/plasma/kcms/kinfocenter)
+install(TARGETS kcm_egl DESTINATION ${KDE_INSTALL_PLUGINDIR}/plasma/kcms/kinfocenter)
 
 kpackage_install_package(package kcm_egl kcms)

Modules/glx/CMakeLists.txt

@@ -9,6 +9,6 @@ add_definitions(-DTRANSLATION_DOMAIN=\"kcm_glx\")
 add_library(kcm_glx MODULE main.cpp)
 target_link_libraries(kcm_glx KF5::CoreAddons KF5::QuickAddons KF5::I18n KInfoCenterInternal)
 
-install(TARGETS kcm_glx DESTINATION ${PLUGIN_INSTALL_DIR}/plasma/kcms/kinfocenter)
+install(TARGETS kcm_glx DESTINATION ${KDE_INSTALL_PLUGINDIR}/plasma/kcms/kinfocenter)
 
 kpackage_install_package(package kcm_glx kcms)

Modules/pci/CMakeLists.txt

@@ -9,6 +9,6 @@ add_definitions(-DTRANSLATION_DOMAIN=\"kcm_pci\")
 add_library(kcm_pci MODULE main.cpp)
 target_link_libraries(kcm_pci KF5::CoreAddons KF5::QuickAddons KF5::I18n KInfoCenterInternal)
 
-install(TARGETS kcm_pci DESTINATION ${PLUGIN_INSTALL_DIR}/plasma/kcms/kinfocenter)
+install(TARGETS kcm_pci DESTINATION ${KDE_INSTALL_PLUGINDIR}/plasma/kcms/kinfocenter)
 
 kpackage_install_package(package kcm_pci kcms)

Modules/vulkan/CMakeLists.txt

@@ -9,6 +9,6 @@ add_definitions(-DTRANSLATION_DOMAIN=\"kcm_vulkan\")
 add_library(kcm_vulkan MODULE main.cpp)
 target_link_libraries(kcm_vulkan KF5::CoreAddons KF5::QuickAddons KF5::I18n KInfoCenterInternal)
 
-install(TARGETS kcm_vulkan DESTINATION ${PLUGIN_INSTALL_DIR}/plasma/kcms/kinfocenter)
+install(TARGETS kcm_vulkan DESTINATION ${KDE_INSTALL_PLUGINDIR}/plasma/kcms/kinfocenter)
 
 kpackage_install_package(package kcm_vulkan kcms)

Modules/wayland/CMakeLists.txt

@@ -12,6 +12,6 @@ add_definitions(-DTRANSLATION_DOMAIN=\"kcm_wayland\")
 add_library(kcm_wayland MODULE main.cpp)
 target_link_libraries(kcm_wayland KF5::CoreAddons KF5::QuickAddons KF5::I18n KInfoCenterInternal)
 
-install(TARGETS kcm_wayland DESTINATION ${PLUGIN_INSTALL_DIR}/plasma/kcms/kinfocenter)
+install(TARGETS kcm_wayland DESTINATION ${KDE_INSTALL_PLUGINDIR}/plasma/kcms/kinfocenter)
 
 kpackage_install_package(package kcm_wayland kcms)

Modules/xserver/CMakeLists.txt

@@ -9,6 +9,6 @@ add_definitions(-DTRANSLATION_DOMAIN=\"kcm_xserver\")
 add_library(kcm_xserver MODULE main.cpp)
 target_link_libraries(kcm_xserver KF5::CoreAddons KF5::QuickAddons KF5::I18n KInfoCenterInternal)
 
-install(TARGETS kcm_xserver DESTINATION ${PLUGIN_INSTALL_DIR}/plasma/kcms/kinfocenter)
+install(TARGETS kcm_xserver DESTINATION ${KDE_INSTALL_PLUGINDIR}/plasma/kcms/kinfocenter)
 
 kpackage_install_package(package kcm_xserver kcms)