* net/tramp.el (tramp-cleanup): Remove. Functionality added to
`tramp-cleanup-connection'.
* net/tramp-cmds.el (tramp-cleanup-connection): Add optional
parameters KEEP-DEBUG and KEEP-PASSWORD.
* net/tramp.el (tramp-file-name-handler):
* net/tramp-adb.el (tramp-adb-maybe-open-connection):
* net/tramp-sh.el (tramp-open-connection-setup-interactive-shell)
(tramp-maybe-open-connection):
* net/tramp-smb.el (tramp-smb-maybe-open-connection): Use
`tramp-cleanup-connection'.
* net/tramp-sh.el (tramp-maybe-open-connection): Catch
'uname-changed inside the progress reporter.