Update checkForSystemdUnit()

install.sh

@@ -521,7 +521,7 @@ checkForSystemdUnit() {
         systemctl is-active --quiet "${2}" && return
     fi
     trapBackup=$(trap)
-    trap 'systemctl stop ${2}; forceExit=true' INT QUIT TERM
+    trap 'systemctl stop ${2}; forceExit=true' INT
     forceExit=false
     calcAndRun dialog --infobox "\"\nWaiting for the ${1} to finish. Please wait.\"" 5 WIDTH
     if [ "${3}" = "oneshot" ]; then