Update expected test output
It's no longer a "problem" to have the same name listed with no prefix
and a "hgext." prefix.
--- a/tests/test-bad-extension.out
+++ b/tests/test-bad-extension.out
@@ -1,5 +1,4 @@
*** failed to import extension badext: bit bucket overflow
-extension 'hgext.gpg' overrides commands: sigs sigcheck sign
hg help [COMMAND]
show help for a command, extension, or list of commands