Remove SFML 3 workarounds #103

Job	Run time
clang-format	11s
Windows MSVC Shared Release	3m 17s
Windows MSVC Shared Debug	2m 53s
Windows MSVC Static Release	3m 5s
Windows MSVC Static Debug	3m 46s
Windows ClangCL Shared Release	4m 4s
Windows ClangCL Shared Debug	4m 4s
Windows ClangCL Static Release	4m 1s
Windows ClangCL Static Debug	4m 5s
Windows MinGW Shared Release	2m 21s
Windows MinGW Shared Debug	1m 59s
Windows MinGW Static Release	2m 45s
Windows MinGW Static Debug	2m 47s
Linux GCC Shared Release	1m 6s
Linux GCC Shared Debug	1m 11s
Linux GCC Static Release	1m 14s
Linux GCC Static Debug	1m 0s
Linux Clang Shared Release	1m 18s
Linux Clang Shared Debug	50s
Linux Clang Static Release	1m 10s
Linux Clang Static Debug	44s
macOS Xcode Shared Release	2m 39s
macOS Xcode Shared Debug	2m 20s
macOS Xcode Static Release	2m 37s
macOS Xcode Static Debug	4m 28s
	59m 55s

Provide feedback