Remove the SAIL image library again

.gitmodules

@@ -10,6 +10,3 @@
 [submodule "lib/fx-gltf"]
 	path = lib/fx-gltf
 	url = https://github.com/jessey-git/fx-gltf.git
-[submodule "lib/sail"]
-	path = lib/sail
-	url = https://github.com/HappySeaFox/sail.git

lib/CMakeLists.txt

@@ -10,8 +10,3 @@ option(FX_GLTF_INSTALL "" OFF)
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/fx-gltf)
 
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/stb)
-
-option(SAIL_BUILD_EXAMPLES "" OFF)
-option(SAIL_BUILD_TESTS "" OFF)
-option(SAIL_BUILD_APPS "" OFF)
-add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/sail)

src/CMakeLists.txt

@@ -31,7 +31,6 @@ target_link_libraries(
     fx-gltf::fx-gltf
     nlohmann_json::nlohmann_json
     stb
-    sail
 )
 
 add_executable(Fall-Fever