rm unwanted cmake instruction (sadly the find package instruction doesn't seems to work with raylib)

CMakeLists.txt

@@ -1,24 +1,9 @@
 CMAKE_MINIMUM_REQUIRED(VERSION 3.11)
 project(Bomberman)
-
-FIND_PACKAGE(raylib REQUIRED)
-TARGET_LINK_LIBRARIES(target_name raylib)
-
-if (NOT raylib_FOUND)
-    INCLUDE(FetchContent)
-    FetchContent_Declare(raylib URL https://github.com/raysan5/raylib/archive/master.tar.gz)
-    FetchContent_GetProperties(raylib)
-    if (NOT raylib_POPULATED)
-        SET(FETCHCONTENT_QUIET NO)
-        FetchContent_Populate(raylib)
-        SET(BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
-        ADD_SUBDIRECTORY(${raylib_SOURCE_DIR} ${raylib_BINARY_DIR})
-        SET(raylib_FOUND TRUE)
-    endif()
-endif()
-
 set(CMAKE_CXX_STANDARD 20)
 
 add_executable(bomberman
 		sources/main.cpp
 )
+
+target_link_libraries(bomberman raylib)