remove SDL2_ttf dependency

CMakeLists.txt

@@ -5,7 +5,6 @@ project(townengine LANGUAGES C)
 # SDL dependencies
 find_package(SDL2 REQUIRED GLOBAL)
 find_package(SDL2_image REQUIRED GLOBAL)
-find_package(SDL2_ttf REQUIRED GLOBAL)
 
 # CMake actually has no default configuration and it's toolchain file dependent, set debug if not specified
 if(NOT CMAKE_BUILD_TYPE)
@@ -196,7 +195,6 @@ function(link_deps target)
         target_link_libraries(${target} PUBLIC
                                         SDL2::SDL2
                                         SDL2_image::SDL2_image
-                                        SDL2_ttf::SDL2_ttf
                                         physfs-static
                                         xms)
 endfunction()