refactor(settings): remove blocked addresses setting and block user/board feature

Obsolete with pseudonymity mode (user IDs randomized per board) and custom boards
requiring explicit search/subscribe. Unsubscribe suffices for boards.

public/translations/id/default.json

@@ -138,15 +138,6 @@
   "posts_last_synced_info": "Posting terakhir disinkronkan {{time}}, papan ini mungkin offline dan publikasi mungkin gagal.",
   "newer_than": "baru daripada",
   "no_threads": "Tidak ada thread",
-  "unblock": "Buka blokir",
-  "unblock_all": "Buka semua blokir",
-  "blocked_addresses": "Alamat yang diblokir",
-  "you_have_not_blocked": "Anda belum memblokir alamat papan atau alamat pengguna apa pun.",
-  "block_user": "Blokir pengguna",
-  "unblock_user": "Buka blokir pengguna",
-  "block_board": "Blokir papan",
-  "unblock_board": "Buka blokir forum",
-  "unblock_all_confirm": "Apakah Anda yakin ingin membuka blokir semua alamat board dan alamat pengguna?",
   "hidden": "tersembunyi",
   "save_options": "Simpan Opsi",
   "filters": "filter",
@@ -220,7 +211,6 @@
   "field_too_long": "Kolom terlalu panjang.",
   "unsubscribe_all": "Berhenti berlangganan dari semua",
   "unsubscribe_all_confirm": "Apakah Anda yakin ingin berhenti berlangganan dari semua board?",
-  "you_have_blocked_this_board": "Anda telah memblokir papan ini",
   "looking_for_more_posts": "Mencari lebih banyak pos",
   "loading_feed": "Memuat feed",
   "loading_post": "Memuat pos",