New translations common.json (Latvian)

public/locales/lv/common.json

@@ -48,7 +48,7 @@
     },
     "unifi": {
         "users": "Lietotāji",
-        "uptime": "Sistēmas darbības laiks",
+        "uptime": "Uptime",
         "days": "Dienas",
         "wan": "WAN",
         "lan": "LAN",