Update sanctioned country list (#139)

Author: jeffyanta

pkg/code/antispam/phone.go

@@ -15,31 +15,12 @@ func isSanctionedPhoneNumber(phoneNumber string) bool {
 	// todo: Probably doesn't belong in an antispam package, but it's just a
 	//       convenient place for now
 	for _, prefix := range []string{
-		"+7",   // Russia
-		"+30",  // Greece (Balkans)
-		"+40",  // Romania (Balkans)
 		"+53",  // Cuba
-		"+90",  // Turkey (Balkans)
-		"+95",  // Myanmar (Burma)
 		"+98",  // Iran
-		"+225", // Ivory Coast
-		"+231", // Liberia
-		"+243", // Democratic Republic of Congo
-		"+249", // Sudan
-		"+263", // Zimbabwe
-		"+355", // Albania (Balkans)
-		"+359", // Bulgaria (Balkans)
-		"+375", // Belarus
-		"+381", // Serbia (Balkans)
-		"+382", // Montenegro (Balkans)
-		"+383", // Kosovo (Balkans)
-		"+385", // Croatia (Balkans)
-		"+386", // Slovenia (Balkans)
-		"+387", // Bosnia and Herzegovina (Balkans)
-		"+389", // North Macedonia (Balkans)
 		"+850", // North Korea
+		"+7",   // Russia
 		"+963", // Syria
-		"+964", // Iraq
+		"+58",  // Venezuala
 	} {
 		if strings.HasPrefix(phoneNumber, prefix) {
 			return true