* Makefile.am (tests): Remove test code which would led to doubling
calls to for e.g. "make distclean".
* tests/Makefile.am: Typo fixes.
* tests/gpgscm/Makefile.am (EXTRA_DIST): Fix name of License file.
Add repl.scm.
(check): Replace by check-local because check is a standard automake
target.
* tests/openpgp/Makefile.am (TESTS_ENVIRONMENT): Replace gmake0sim by
automake generated macro.
(EXTRA_DIST): Add defs.scm