libcody: Remove testsuite [PR 98318]

libcody:  Remove testsuite [PR 98318]

libcody's testsuite is not very portable, and is testing a host
library, so will do weird things on cross compiling, I think.  Let's
just drop it.

	libcody/
	* Makefile.in (LDFLAGS): Drop -L..
	* tests/01-serialize/connect.cc: Delete.
	* tests/01-serialize/decoder.cc: Delete.
	* tests/01-serialize/encoder.cc: Delete.
	* tests/02-comms/client-1.cc: Delete.
	* tests/02-comms/pivot-1.cc: Delete.
	* tests/02-comms/server-1.cc: Delete.
	* tests/Makesub.in: Delete.
	* tests/jouster: Delete.