remove unnecessary cpm code

Author: OmgRod

CMakeLists.txt

@@ -26,8 +26,6 @@ if (DEFINED ENV{GITHUB_ACTIONS})
     add_definitions(-DGITHUB_ACTIONS)
 endif()
 
-include("cmake/CPM.cmake")
-
 add_subdirectory($ENV{GEODE_SDK} ${CMAKE_CURRENT_BINARY_DIR}/geode)
 
 setup_geode_mod(${PROJECT_NAME})