[bugfix] Return useful err on server start failure (#3879)

* [bugfix] Return useful err on `server start` failure

* remove scheduler started func

* remove tryUntil

internal/config/util.go

@@ -1,39 +0,0 @@
-// GoToSocial
-// Copyright (C) GoToSocial Authors admin@gotosocial.org
-// SPDX-License-Identifier: AGPL-3.0-or-later
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-package config
-
-import (
-	"net/netip"
-
-	"github.com/superseriousbusiness/gotosocial/internal/log"
-)
-
-func MustParseIPPrefixes(in []string) []netip.Prefix {
-	prefs := make([]netip.Prefix, 0, len(in))
-
-	for _, i := range in {
-		pref, err := netip.ParsePrefix(i)
-		if err != nil {
-			log.Panicf(nil, "error parsing ip prefix from %q: %v", i, err)
-		}
-
-		prefs = append(prefs, pref)
-	}
-
-	return prefs
-}