remove uptime. we show it in 2 places already in the app

interface/src/framework/ntp/NTPStatusForm.tsx

@@ -23,13 +23,12 @@ import AccessTimeIcon from '@mui/icons-material/AccessTime';
 import SwapVerticalCircleIcon from '@mui/icons-material/SwapVerticalCircle';
 import UpdateIcon from '@mui/icons-material/Update';
 import DnsIcon from '@mui/icons-material/Dns';
-import AvTimerIcon from '@mui/icons-material/AvTimer';
 import CancelIcon from '@mui/icons-material/Cancel';
 
 import * as NTPApi from '../../api/ntp';
 import { NTPStatus, NTPSyncStatus } from '../../types';
 import { ButtonRow, FormLoader, SectionContent } from '../../components';
-import { extractErrorMessage, formatDateTime, formatDuration, formatLocalDateTime, useRest } from '../../utils';
+import { extractErrorMessage, formatDateTime, formatLocalDateTime, useRest } from '../../utils';
 import { AuthenticatedContext } from '../../contexts/authentication';
 
 export const isNtpActive = ({ status }: NTPStatus) => status === NTPSyncStatus.NTP_ACTIVE;
@@ -175,15 +174,6 @@ const NTPStatusForm: FC = () => {
             <ListItemText primary="UTC Time" secondary={formatDateTime(data.utc_time)} />
           </ListItem>
           <Divider variant="inset" component="li" />
-          <ListItem>
-            <ListItemAvatar>
-              <Avatar>
-                <AvTimerIcon />
-              </Avatar>
-            </ListItemAvatar>
-            <ListItemText primary="Uptime" secondary={formatDuration(data.uptime)} />
-          </ListItem>
-          <Divider variant="inset" component="li" />
         </List>
         <Box display="flex" flexWrap="wrap">
           <Box flexGrow={1}>

lib/framework/NTPStatus.cpp

@@ -46,9 +46,6 @@ void NTPStatus::ntpStatus(AsyncWebServerRequest * request) {
     // the sntp server name
     root["server"] = sntp_getservername(0);
 
-    // device uptime in seconds
-    root["uptime"] = millis() / 1000;
-
     response->setLength();
     request->send(response);
 }