Remove Hivebrain 2022 disassembly.

This isn't actually used by the test suite yet, so it's just clutter.

Author: Clownacy

.gitmodules

@@ -16,6 +16,3 @@
 [submodule "tests/ASM68K-Z80-extension"]
 	path = tests/ASM68K-Z80-extension
 	url = https://github.com/Clownacy/ASM68K-Z80-extension
-[submodule "tests/s1disasm2022"]
-	path = tests/s1disasm2022
-	url = https://github.com/cvghivebrain/s1disasm