fix(vpnunlimited): remove no longer valid hosts from updater

internal/provider/vpnunlimited/updater/constants.go

@@ -40,26 +40,19 @@ func getHostToServer() (hts hostToServer, warnings []string) {
 		"fr": {},
 		"gr": {},
 		"hr": {},
-		"hu": {},
-		"ie-dub": {
-			City: "Dublin",
-		},
 		"il": {},
 		"in": {},
-		"is": {},
 		"it-mil": {
 			City: "Milan",
 		},
 		"jp": {},
 		"kr": {},
 		"lt": {},
-		"md": {},
 		"mx": {},
 		"nl": {},
 		"no": {},
 		"nz": {},
 		"pl": {},
-		"pt": {},
 		"ro": {},
 		"se": {},
 		"sg-free": {
@@ -67,7 +60,6 @@ func getHostToServer() (hts hostToServer, warnings []string) {
 		},
 		"sg": {},
 		"si": {},
-		"sk": {},
 		"uk-cv": {
 			City: "London",
 		},