[monitoring-plugins] check_smtp: Remove unused enum

[Lorenz Kästle]

 Module: monitoring-plugins
 Branch: master
 Commit: acf57dba5233926a95fc746429f31f3009111b6f
 Author: Lorenz Kästle <12514511+rincewinds...@users.noreply.github.com>
   Date: Mon Mar 10 01:32:49 2025 +0100
    URL: 
https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=acf57dba

check_smtp: Remove unused enum

---

 plugins/check_smtp.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/plugins/check_smtp.c b/plugins/check_smtp.c
index 0be02937..1b36a22a 100644
--- a/plugins/check_smtp.c
+++ b/plugins/check_smtp.c
@@ -91,11 +91,6 @@ static int my_close(int /*socket_descriptor*/);
 
 static int verbose = 0;
 
-enum {
-       TCP_PROTOCOL = 1,
-       UDP_PROTOCOL = 2,
-};
-
 int main(int argc, char **argv) {
        /* Catch pipe errors in read/write - sometimes occurs when writing QUIT 
*/
        (void)signal(SIGPIPE, SIG_IGN);