refactor: remove env. variables from the component (#529)

src/components/TroubleshootConnectionCard.tsx

@@ -3,8 +3,8 @@ import { createStyles, makeStyles, Theme } from '@material-ui/core/styles'
 import type { ReactElement } from 'react'
 import Activity from 'remixicon-react/PulseLineIcon'
 import { Link } from 'react-router-dom'
-import { config } from '../config'
 import { ROUTES } from '../routes'
+import { BEE_DISCORD_HOST, BEE_DOCS_HOST } from '../constants'
 
 const useStyles = makeStyles((theme: Theme) =>
   createStyles({
@@ -37,11 +37,11 @@ export default function TroubleshootConnectionCard(): ReactElement {
       <Grid item className={classes.content}>
         <Typography align="center">
           Please check your node status to fix the problem. You can also check out the{' '}
-          <MuiLink href={config.BEE_DOCS_HOST} target="_blank" rel="noreferrer">
+          <MuiLink href={BEE_DOCS_HOST} target="_blank" rel="noreferrer">
             Swarm Bee Docs
           </MuiLink>{' '}
           or ask for support on the{' '}
-          <MuiLink href={config.BEE_DISCORD_HOST} target="_blank" rel="noreferrer">
+          <MuiLink href={BEE_DISCORD_HOST} target="_blank" rel="noreferrer">
             Ethereum Swarm Discord
           </MuiLink>
           .