User application selection with CMake

Do not define ENABLE_USERAPPS and USERAPP_TYPES since they are now managed by the 'apps' target from InfiniTime

CMakeLists.txt

@@ -289,12 +289,6 @@ if(EXISTS ${InfiniTime_DIR}/src/displayapp/fonts/CMakeLists.txt)
   target_link_libraries(infinisim PRIVATE infinitime_fonts)
 endif()
 
-if(DEFINED ENABLE_USERAPPS)
-  set(USERAPP_TYPES ${ENABLE_USERAPPS} CACHE STRING "List of user apps to build into the firmware")
-else ()
-  set(USERAPP_TYPES "Apps::Navigation, Apps::StopWatch, Apps::Alarm, Apps::Timer, Apps::Steps, Apps::HeartRate, Apps::Music, Apps::Paint, Apps::Paddle, Apps::Twos, Apps::Metronome" CACHE STRING "List of user apps to build into the firmware")
-endif ()
-
 if(EXISTS ${InfiniTime_DIR}/src/displayapp/apps/CMakeLists.txt)
   # available since https://github.com/InfiniTimeOrg/InfiniTime/pull/1928
   message(STATUS "add subdirectory ${InfiniTime_DIR}/src/displayapp/apps for 'infinitime_apps' target")