mxstartup2mxconfig: Always overwrite config files

It is save to overwrite config files with current information.

This fixes a bug, were an ip address was not set
until mxvipctl was started twice.

mxstartup2mxconfig

@@ -164,11 +164,6 @@ sub save_config_mxservice {
 
     my $config = "$rundir/mxservice.$name.cfg";
 
-    if( -e $config) {
-        printf "skipping creation of $config: File already exists\n";
-        return;
-    }
-
     printf "mxservice::$name creating service-config: $config\n";
 
     open SCRIPT, ">", "$config" or die "can't open $config: $!";
@@ -189,11 +184,6 @@ sub print_ips_cfg {
 
   my $script = "$rundir/mxvip.$name.cfg";
 
-  if( -e $script) {
-      printf "skipping creation of $script: File already exists\n";
-      return;
-  }
-
   printf "mxvip::$name creating start script: $script\n";
 
   open SCRIPT, ">", "$script" or die "can't open $script: $!";