swift_performance_is_wpcf7_active
You can override detection of Contact Form 7 plugin by Swift Performance
Parameters
$is_active
boolean which represents is Contact Form 7 active. True if it is active, false if it isn’t
Return
boolean
Example
// Disabling CF7 features in Swift Performance
add_filter('swift_performance_is_wpcf7_active', function($is_active){
return false;
});