pgsql: Removed old test files

Log Message:
-----------
Removed old test files

Removed Files:
-------------
    pgsql/src/interfaces/ecpg/test:
        dt_test.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/dt_test.pgc)
        dyntest.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/dyntest.pgc)
        dyntest2.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/dyntest2.pgc)
        num_test.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/num_test.pgc)
        perftest.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/perftest.pgc)
        test1.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/test1.pgc)
        test2.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/test2.pgc)
        test3.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/test3.pgc)
        test4.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/test4.pgc)
        test5.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/test5.pgc)
        test_code100.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/test_code100.pgc)
        test_desc.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/test_desc.pgc)
        test_func.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/test_func.pgc)
        test_informix.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/test_informix.pgc)
        test_informix2.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/test_informix2.pgc)
        test_init.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/test_init.pgc)
        test_notice.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/test_notice.pgc)
        test_thread.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/test_thread.pgc)
        test_thread_implicit.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/test_thread_implicit.pgc)
        testdynalloc.pgc
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/testdynalloc.pgc)