remove special chars from systemd status

docs/20_Checks/check_systemdunit.md

@@ -16,7 +16,7 @@ A unit is everything listed by systemctl command - services, timers, targets, ..
 ______________________________________________________________________
 
 CHECK_SYSTEMDUNIT
-v1.4
+v1.5
 
 (c) Institute for Medical Education - University of Bern
 Licence: GNU GPL 3
@@ -89,17 +89,17 @@ To check a single service you need to add the unit name in the 1st column.
 ``$ ./check_systemdunit nginx`` returns
 
 ```txt
-OK: ● nginx.service - A high performance web server and a reverse proxy server
+OK: nginx.service - A high performance web server and a reverse proxy server
      Loaded: loaded (/usr/lib/systemd/system/nginx.service; enabled; preset: disabled)
-     Active: active (running) since Tue 2023-09-05 08:04:45 CEST; 8h ago
-    Process: 577 ExecStart=/usr/bin/nginx -g pid /run/nginx.pid; error_log stderr; (code=exited, status=0/SUCCESS)
-   Main PID: 612 (nginx)
+     Active: active (running) since Fri 2023-10-20 08:04:35 CEST; 3h 14min ago
+    Process: 783 ExecStart=/usr/bin/nginx (code=exited, status=0/SUCCESS)
+   Main PID: 787 (nginx)
       Tasks: 2 (limit: 18881)
-     Memory: 3.0M
-        CPU: 38ms
+     Memory: 3.8M
+        CPU: 39ms
      CGroup: /system.slice/nginx.service
-             ├─612 "nginx: master process /usr/bin/nginx -g pid /run/nginx.pid; error_log stderr;"
-             └─613 "nginx: worker process"
+             -787 "nginx: master process /usr/bin/nginx"
+             -788 "nginx: worker process"
 ...
 ```