Remove validation of unused cmd_delay parameter

.golangci.yaml

@@ -1,10 +1,11 @@
 run:
   tests: false
-  skip-dirs:
-    - vendor
   modules-download-mode: readonly
   allow-parallel-runners: true
   go: '1.21'
+issues:
+  skip-dirs:
+    - vendor
 output:
   sort-results: true
 linters:

util.go

@@ -69,11 +69,6 @@ func readConfFile(path string) (Config, error) {
 		return Config{}, err
 	}
 
-	if cfg.CmdDelay == 0 {
-		cfg.CmdDelay = 20
-		log.Printf("cmd_delay can not be 0, setting to %d milliseconds", cfg.CmdDelay)
-	}
-
 	if cfg.LoopDelay == 0 {
 		cfg.LoopDelay = 2000
 		log.Printf("loop_delay set to %d milliseconds", cfg.LoopDelay)