fix: review comments

internal/utils/security_utils.go

@@ -1,11 +1,8 @@
 package utils
 
 import (
-	"crypto/rand"
 	"encoding/base64"
 	"errors"
-	"math"
-	"math/big"
 	"net"
 	"regexp"
 	"strings"
@@ -108,28 +105,3 @@ func GenerateUUID(str string) string {
 	uuid := uuid.NewSHA1(uuid.NameSpaceURL, []byte(str))
 	return uuid.String()
 }
-
-// These could definitely be improved A LOT but at least they are cryptographically secure
-func GetRandomString(length int) (string, error) {
-	if length < 1 {
-		return "", errors.New("length must be greater than 0")
-	}
-	b := make([]byte, length)
-	_, err := rand.Read(b)
-	if err != nil {
-		return "", err
-	}
-	state := base64.RawURLEncoding.EncodeToString(b)
-	return state[:length], nil
-}
-
-func GetRandomInt(length int) (int64, error) {
-	if length < 1 {
-		return 0, errors.New("length must be greater than 0")
-	}
-	a, err := rand.Int(rand.Reader, big.NewInt(int64(math.Pow(10, float64(length)))))
-	if err != nil {
-		return 0, err
-	}
-	return a.Int64(), nil
-}