fix: remove unnecessary fields from proposal pricing serialization

app/Http/Resources/Concerns/SerializesProposalPricing.php

@@ -12,20 +12,11 @@ private function proposalPricingArray(?Model $proposal, bool $withCondition = fa
 
         $array = [
             'registration_value'                => $proposal->registration_value,
-            'registration_included_in_course'   => (bool) $proposal->registration_included_in_course,
-            'registration_installments_allowed' => (bool) $proposal->registration_installments_allowed,
-            'registration_max_installments'     => $proposal->registration_max_installments,
 
             'classes_value'                => $proposal->classes_value,
-            'classes_included_in_course'   => (bool) $proposal->classes_included_in_course,
-            'classes_installments_allowed' => (bool) $proposal->classes_installments_allowed,
-            'classes_max_installments'     => $proposal->classes_max_installments,
             'classes_discount_percentage'  => $proposal->classes_discount_percentage,
 
             'materials_total_value'              => $proposal->materials_total_value,
-            'materials_included_in_course'       => (bool) $proposal->materials_included_in_course,
-            'materials_installments_allowed'     => (bool) $proposal->materials_installments_allowed,
-            'materials_max_installments'         => $proposal->materials_max_installments,
 
             'total_value'            => $proposal->total_value,
             'total_max_installments' => $proposal->total_max_installments,