gui, man, authors: Update docs, translations, and contributors

gui/default/assets/lang/lang-zh-HK.json

@@ -282,7 +282,6 @@
     "Preview": "預覽",
     "Preview Usage Report": "預覽使用報告",
     "QR code": "二維碼",
-    "QUIC": "QUIC",
     "QUIC LAN": "QUIC LAN",
     "QUIC WAN": "QUIC WAN",
     "QUIC connections are in most cases considered suboptimal": "QUIC 連接在大多數情況下被認為是次優的",
@@ -293,7 +292,6 @@
     "Received data is already encrypted": "接收到的數據已經加密",
     "Recent Changes": "最近更改",
     "Reduced by ignore patterns": "已由忽略模式縮減",
-    "Relay": "中繼",
     "Relay LAN": "Relay LAN",
     "Relay WAN": "Relay WAN",
     "Release Notes": "發佈說明",