[out] remove proxy from direct

frontend/src/locales/en.ts

@@ -155,7 +155,6 @@ export default {
     direct: {
       overrideAddr: "Override Address",
       overridePort: "Override Port",
-      proxyProtocol: "Proxy Protocol",
     },
     hy: {
       obfs: "Obfuscated Password",

frontend/src/locales/fa.ts

@@ -154,7 +154,6 @@ export default {
     direct: {
       overrideAddr: "جایگزین آدرس",
       overridePort: "جایگزین پورت",
-      proxyProtocol: "پروتکل پراکسی",
     },
     hy: {
       obfs: "رمز مبهم کننده",

frontend/src/locales/vi.ts

@@ -155,7 +155,6 @@ export default {
     direct: {
       overrideAddr: "Ghi đè Địa chỉ",
       overridePort: "Ghi đè Cổng",
-      proxyProtocol: "Giao thức Proxy",
     },
     hy: {
       obfs: "Mật khẩu đã được Ẩn",

frontend/src/locales/zhcn.ts

@@ -155,7 +155,6 @@ export default {
     direct: {
       overrideAddr: "覆盖地址",
       overridePort: "覆盖端口",
-      proxyProtocol: "代理协议",
     },
     hy: {
       obfs: "混淆密码",

frontend/src/locales/zhtw.ts

@@ -156,7 +156,6 @@ export default {
     direct: {
       overrideAddr: "覆蓋地址",
       overridePort: "覆蓋端口",
-      proxyProtocol: "代理協議",
     },
     hy: {
       obfs: "混淆密碼",