Remove kdeinit leftover from variable name

CMakeLists.txt

@@ -73,7 +73,7 @@ configure_file(config-kcalc.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config-kcalc.h )
 
 add_subdirectory(knumber)
 
-set(kcalc_KDEINIT_SRCS
+set(kcalc_SRCS
    kcalc.cpp 
    bitbutton.cpp
    kcalc_bitset.cpp
@@ -85,18 +85,18 @@ set(kcalc_KDEINIT_SRCS
    kcalc_statusbar.cpp
    stats.cpp )
 
-ki18n_wrap_ui(kcalc_KDEINIT_SRCS
+ki18n_wrap_ui(kcalc_SRCS
    kcalc.ui
    constants.ui
    colors.ui
    fonts.ui
    general.ui)
 
-kconfig_add_kcfg_files(kcalc_KDEINIT_SRCS kcalc_settings.kcfgc )
+kconfig_add_kcfg_files(kcalc_SRCS kcalc_settings.kcfgc )
 
 # Sets the icon on Windows and OSX
 file(GLOB ICONS_SRCS "${CMAKE_CURRENT_SOURCE_DIR}/icons/*.png")
-ecm_add_app_icon(kcalc_KDEINIT_SRCS ICONS ${ICONS_SRCS})
+ecm_add_app_icon(kcalc_SRCS ICONS ${ICONS_SRCS})
 
 # Conditionally install icons for Linux as they may not be provided by the user theme
 option(INSTALL_ICONS "Install icons" OFF)
@@ -105,7 +105,7 @@ if (INSTALL_ICONS)
     ecm_install_icons( ICONS ${ICONS_SRCS} DESTINATION ${KDE_INSTALL_ICONDIR} )
 endif()
 
-add_executable(kcalc ${kcalc_KDEINIT_SRCS})
+add_executable(kcalc ${kcalc_SRCS})
 
 target_link_libraries(kcalc
     Qt5::Core