Testsuite: rename *.stderr-ghc to *.stderr

libraries/base/tests/list001.stdout

libraries/base/tests/list001.stdout-ghc

libraries/base/tests/ratio001.stdout-ghc

testsuite/driver/testlib.py

testsuite/tests/deSugar/should_compile/ds002.stderr

testsuite/tests/deSugar/should_compile/ds003.stderr

testsuite/tests/deSugar/should_compile/ds019.stderr

testsuite/tests/deSugar/should_compile/ds020.stderr

testsuite/tests/deSugar/should_compile/ds022.stderr

testsuite/tests/deSugar/should_compile/ds040.stderr

testsuite/tests/deSugar/should_compile/ds041.stderr

testsuite/tests/deSugar/should_compile/ds043.stderr

testsuite/tests/deSugar/should_compile/ds051.stderr

testsuite/tests/deSugar/should_compile/ds053.stderr

testsuite/tests/module/mod128.stderr

testsuite/tests/module/mod14.stderr

testsuite/tests/module/mod5.stderr

testsuite/tests/numeric/should_run/arith001.stdout-ghc

testsuite/tests/numeric/should_run/arith002.stdout-ghc

testsuite/tests/parser/should_compile/read014.stderr