refactor: better copy

lang/en-US.json

@@ -6,13 +6,11 @@
   "request": "Request",
   "install_pwa": "Install PWA",
   "support_us": "Support us",
-  "tweet": "Tweet",
   "options": "Options",
   "communication": "Communication",
   "endpoint": "Endpoint",
   "schema": "Schema",
   "theme": "Theme",
-  "subscribe": "Subscribe",
   "choose_language": "Choose Language",
   "shortcuts": "Shortcuts",
   "send_request": "Send/Cancel Request",
@@ -29,6 +27,7 @@
   "content_type": "Content Type",
   "raw_input": "Raw input",
   "parameter_list": "Parameter List",
+  "request_body": "Request Body",
   "raw_request_body": "Raw Request Body",
   "show_code": "Show Code",
   "show_prerequest_script": "Show Pre-Request Script",
@@ -213,7 +212,6 @@
   "docs_generated": "Documentation generated",
   "import_collections": "Import collections",
   "optional": "(optional)",
-  "json": "JSON",
   "none": "None",
   "username": "Username",
   "password": "Password",