Removes unused help function

Signed-off-by: Malte Muench <[email protected]>

src/main.go

@@ -4,7 +4,6 @@ import (
 	"bufio"        // Reader
 	"encoding/csv" // CSV Management
 	"flag"
-	"fmt" // print :)
 	"github.com/c3re/can2mqtt/convertfunctions"
 	"io"  // EOF const
 	"log" // error management
@@ -273,13 +272,3 @@ func isTopicInSlice(mqttTopic string) bool {
 func getTopicFromId(canId uint32) string {
 	return pairFromID[canId].mqttTopic
 }
-
-// help function (obvious...)
-func printHelp() {
-	_, _ = fmt.Fprintf(os.Stderr, "welcome to the CAN2MQTT bridge!\n\n")
-	_, _ = fmt.Fprintf(os.Stderr, "Usage: can2mqtt [-f <file>] [-c <CAN-Interface>] [-m <MQTT-Connect>] [-v] [-h] [-d <dirMode>]\n")
-	_, _ = fmt.Fprintf(os.Stderr, "<file>: a can2mqtt.csv file\n")
-	_, _ = fmt.Fprintf(os.Stderr, "<CAN-Interface>: a CAN-Interface e.g. can0\n")
-	_, _ = fmt.Fprintf(os.Stderr, "<MQTT-Connect>: connectstring for MQTT. e.g.: tcp://[user:pass@]localhost:1883\n")
-	_, _ = fmt.Fprintf(os.Stderr, "<dirMode>: directional Mode 0 = bidirectional, 1 = can2mqtt only, 2 = mqtt2can only\n")
-}