refactor(vote-registration): remove unused globalRand and helper funcs

Author: wellfernandes

pkg/mocai/entities/voteregistration/countries/brazilian_vote_registration.go

@@ -2,17 +2,11 @@ package countries
 
 import (
 	"fmt"
-	"math/rand"
 	"strconv"
-	"time"
 
 	"github.com/brazzcore/mocai/pkg/mocai/translations"
 )
 
-var (
-	globalRand = rand.New(rand.NewSource(time.Now().UnixNano()))
-)
-
 // BrazilianVoteRegistration represents a Brazilian vote registration
 type BrazilianVoteRegistration struct {
 	Section string
@@ -25,16 +19,6 @@ func NewBrazilianVoteRegistration(isFormatted bool) (*BrazilianVoteRegistration,
 	return NewBrazilianVoteRegistrationCustom("ptbr", isFormatted, nil)
 }
 
-// randomInt generates a random integer between min and max
-func randomInt(min, max int) int {
-	return globalRand.Intn(max-min+1) + min
-}
-
-// randomInt3Digits generates a random 3 digit number
-func randomInt3Digits() string {
-	return fmt.Sprintf("%03d", globalRand.Intn(1000))
-}
-
 // calculateCheckDigit1 calculates the first check digit.
 // it depends on the sequence number.
 func calculateCheckDigit1(sequenceNumber string) (string, error) {