o remove old bsnes version

tools/bsnes/cpu/scpu/core/scpugen.cpp

@@ -1,12 +0,0 @@
-#define CLASS_NAME "sCPU"
-#include <tool/opgen_switch.cpp>
-
-int main() {
-  generate("op_read.cpp",  "op_read.b");
-  generate("op_write.cpp", "op_write.b");
-  generate("op_rmw.cpp",   "op_rmw.b");
-  generate("op_pc.cpp",    "op_pc.b");
-  generate("op_misc.cpp",  "op_misc.b");
-
-  return 0;
-}