imap-send: don't check return value of git_getpass

git_getpass will always die() if we weren't able to get
input, so there's no point looking for NULL.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

imap-send.c

@@ -1213,10 +1213,6 @@ static struct store *imap_open_store(struct imap_server_conf *srvc)
 			strbuf_addf(&prompt, "Password (%s@%s): ", srvc->user, srvc->host);
 			arg = git_getpass(prompt.buf);
 			strbuf_release(&prompt);
-			if (!arg) {
-				perror("getpass");
-				exit(1);
-			}
 			if (!*arg) {
 				fprintf(stderr, "Skipping account %s@%s, no password\n", srvc->user, srvc->host);
 				goto bail;