psql: Make SSL info display more compact

Remove the bits display, since that can be derived from the cipher
suite.

Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Discussion: https://www.postgresql.org/message-id/flat/aee28ee7-0ab3-c2e2-5bed-109feb0c089b%40enterprisedb.com

src/bin/psql/command.c

@@ -3667,7 +3667,6 @@ printSSLInfo(void)
 {
 	const char *protocol;
 	const char *cipher;
-	const char *bits;
 	const char *compression;
 
 	if (!PQsslInUse(pset.db))
@@ -3675,13 +3674,11 @@ printSSLInfo(void)
 
 	protocol = PQsslAttribute(pset.db, "protocol");
 	cipher = PQsslAttribute(pset.db, "cipher");
-	bits = PQsslAttribute(pset.db, "key_bits");
 	compression = PQsslAttribute(pset.db, "compression");
 
-	printf(_("SSL connection (protocol: %s, cipher: %s, bits: %s, compression: %s)\n"),
+	printf(_("SSL connection (protocol: %s, cipher: %s, compression: %s)\n"),
 		   protocol ? protocol : _("unknown"),
 		   cipher ? cipher : _("unknown"),
-		   bits ? bits : _("unknown"),
 		   (compression && strcmp(compression, "off") != 0) ? _("on") : _("off"));
 }