[Kernel] Use tables for export groups.

src/xenia/kernel/xboxkrnl/xboxkrnl_crypt.cc

@@ -686,9 +686,8 @@ dword_result_t XeKeysHmacShaUsingKey_entry(lpvoid_t obscured_key,
 }
 DECLARE_XBOXKRNL_EXPORT1(XeKeysHmacShaUsingKey, kNone, kImplemented);
 
-void RegisterCryptExports(xe::cpu::ExportResolver* export_resolver,
-                          KernelState* kernel_state) {}
-
 }  // namespace xboxkrnl
 }  // namespace kernel
 }  // namespace xe
+
+DECLARE_XBOXKRNL_EMPTY_REGISTER_EXPORTS(Crypt);