Remove chronoform powered by [V3 Version]

Step:1

Open file "components\com_chronocontact\libraries\chronoform.php"

Step:2
Find below code [near to line: 306]

if($configs->get('licensevalid', 0)){
return '';
}else{
return base64_decode('PCEtLSBkb.................biAtLT4=');

}

Step:3
Replace above code with 

if($configs->get('licensevalid', 0)){
return '';
}else{
return '';
}