Update translations

// FREEBIE

_locales/zh_CN/messages.json

@@ -20,8 +20,8 @@
         "description": "Text displayed before the input where the user can enter the name for this device."
     },
     "timestamp_m": {
-        "message": "1 min",
-        "description": "Short or abbreviated timestamp for messages sent a minute ago. Displayed in the conversation list."
+        "message": "1 minute",
+        "description": "Brief timestamp for messages sent about one minute ago. Displayed in the conversation list and message bubble."
     },
     "gotIt": {
         "message": "Got it!",
@@ -35,10 +35,6 @@
         "message": "Unsupported file type",
         "description": "Displayed for outgoing unsupported attachment"
     },
-    "extendedTimestamp_m": {
-        "message": "1 minute ago",
-        "description": "Timestamp for messages sent about a minute ago. Displayed in the message bubble."
-    },
     "installGeneratingKeys": {
         "message": "Generating Keys",
         "description": ""
@@ -61,7 +57,7 @@
     },
     "timestamp_h": {
         "message": "1 hour",
-        "description": "Short or abbreviated timestamp for messages sent about an hour ago. Displayed in the conversation list."
+        "description": "Brief timestamp for messages sent about one minute ago. Displayed in the conversation list and message bubble."
     },
     "syncExplanation": {
         "message": "Import all Signal groups and contacts from your mobile device.",
@@ -99,17 +95,13 @@
             }
         }
     },
-    "timestamp_mm": {
-        "message": "%d min",
-        "description": "Short or abbreviated timestamp for messages sent multiple minutes ago. Displayed in the conversation list."
-    },
     "sent": {
         "message": "Sent",
         "description": "Label for the time a message was sent"
     },
     "timestamp_s": {
         "message": "now",
-        "description": "Short or abbreviated timestamp for messages sent less than a minute ago. Displayed in the conversation list."
+        "description": "Brief timestamp for messages sent less than a minute ago. Displayed in the conversation list and message bubble."
     },
     "reportIssue": {
         "message": "Report an issue",
@@ -177,10 +169,6 @@
         "message": "Sorry, you have too many devices linked already. Try removing some.",
         "description": ""
     },
-    "extendedTimestamp_s": {
-        "message": "now",
-        "description": "Timestamp for messages sent less than a minute ago. Displayed in the message bubble."
-    },
     "installSyncingGroupsAndContacts": {
         "message": "Syncing groups and contacts",
         "description": ""
@@ -209,18 +197,10 @@
         "message": "Importing...",
         "description": "Label for a disabled sync button while sync is in progress."
     },
-    "extendedTimestamp_hh": {
-        "message": "%d hours ago",
-        "description": "Timestamp for messages sent multiple hours ago. Displayed in the message bubble."
-    },
     "acceptNewKey": {
         "message": "Accept",
         "description": "Label for a button to accept a new identity key"
     },
-    "extendedTimestamp_mm": {
-        "message": "%d minutes ago",
-        "description": "Timestamp for messages sent multiple minutes ago. Displayed in the message bubble."
-    },
     "unregisteredUser": {
         "message": "Number is not registered",
         "description": "Error message displayed when sending to an unregistered user."
@@ -233,10 +213,6 @@
         "message": "Received",
         "description": "Label for the time a message was received"
     },
-    "extendedTimestamp_h": {
-        "message": "1 hour ago",
-        "description": "Timestamp for messages sent one hour ago. Displayed in the message bubble."
-    },
     "sendMessage": {
         "message": "Send a message",
         "description": "Placeholder text in the message entry field"
@@ -355,10 +331,6 @@
         "message": "This contact is using a new Signal identity. This could either mean that someone is trying to intercept your communication, or this contact simply re-installed Signal. You may wish to verify their new identity key below.",
         "description": ""
     },
-    "timestamp_hh": {
-        "message": "%d hours",
-        "description": "Short or abbreviated timestamp for messages sent multiple hours ago. Displayed in the conversation list."
-    },
     "submitDebugLog": {
         "message": "Submit Debug Log",
         "description": "Menu item and header text for debug log modal, title case."