refactor: Remove PRE application details card

.env

@@ -1,6 +1,6 @@
-REACT_APP_SUPPORTED_CHAIN_ID=1337
-REACT_APP_ETH_HOSTNAME_HTTP=http://localhost:8545
-REACT_APP_ETH_HOSTNAME_WS=ws://localhost:8545
+REACT_APP_SUPPORTED_CHAIN_ID=5
+REACT_APP_ETH_HOSTNAME_HTTP=https://goerli.infura.io/v3/663d60ae0f504f168b362c2bda60f81c
+REACT_APP_ETH_HOSTNAME_WS=wss://goerli.infura.io/v3/663d60ae0f504f168b362c2bda60f81c
 REACT_APP_MULTICALL_ADDRESS=$MULTICALL_ADDRESS
 
 REACT_APP_FEATURE_FLAG_TBTC_V2=true
@@ -9,12 +9,11 @@ REACT_APP_FEATURE_FLAG_MULTI_APP_STAKING=true
 REACT_APP_FEATURE_FLAG_FEEDBACK_MODULE=false
 REACT_APP_FEATURE_FLAG_POSTHOG=false
 REACT_APP_FEATURE_FLAG_SENTRY=$SENTRY_SUPPORT
-REACT_APP_FEATURE_FLAG_LEDGER_LIVE=true
 REACT_APP_SENTRY_DSN=$SENTRY_DSN
 
-REACT_APP_ELECTRUM_PROTOCOL=$ELECTRUM_PROTOCOL
-REACT_APP_ELECTRUM_HOST=$ELECTRUM_HOST
-REACT_APP_ELECTRUM_PORT=$ELECTRUM_PORT
-REACT_APP_MOCK_BITCOIN_CLIENT=true
+REACT_APP_ELECTRUM_PROTOCOL=wss
+REACT_APP_ELECTRUM_HOST=electrumx-server.test.tbtc.network
+REACT_APP_ELECTRUM_PORT=8443
+REACT_APP_MOCK_BITCOIN_CLIENT=false
 
 REACT_APP_WALLET_CONNECT_PROJECT_ID=$WALLET_CONNECT_PROJECT_ID

src/pages/Staking/HowItWorks/StakingApplications/index.tsx

@@ -33,7 +33,6 @@ import { Link as RouterLink } from "react-router-dom"
 import { ColorMode, List, ListItem, useColorMode } from "@chakra-ui/react"
 import ButtonLink from "../../../../components/ButtonLink"
 
-const preNodeSteps = ["Run a PRE node", "Have a staked balance"]
 const randomBeaconNodeSteps = [
   "Run a Random Beacon node",
   "Authorize a portion of your stake to Random Beacon",
@@ -62,10 +61,6 @@ const iconMap: { [iconName: string]: Record<ColorMode, string> } = {
     light: tbtcAppIllustrationLight,
     dark: tbtcAppIllustrationDark,
   },
-  pre: {
-    light: preAppIllustrationLight,
-    dark: preAppIllustrationDark,
-  },
   randomBeacon: {
     light: randomBeaconAppIllustrationLight,
     dark: randomBeaconAppIllustrationDark,
@@ -199,24 +194,6 @@ const StakingApplications: PageComponent = () => {
           }
           rewardSteps={randomBeaconNodeSteps}
         />
-        <ApplicationDetailsCard
-          preTitle="PRE APP"
-          title="Proxy Re-Encryption, or PRE, is cryptographic middleware for developing privacy-preserving applications."
-          description="PRE is a scalable end-to-end encryption protocol that allows a proxy entity to transform (or re-encrypt) encrypted data from one encryption key to another, without revealing the plaintext data. The nodes on the Threshold Network act as these proxy entities and use threshold cryptography to securely and cooperatively re-encrypt data for recipients based on access conditions defined by the data owner. "
-          imgSrc={iconMap.pre[colorMode]}
-          ctaButtons={
-            <ButtonLink
-              isExternal
-              href={ExternalHref.preNodeSetup}
-              mb={6}
-              isFullWidth
-              variant="outline"
-            >
-              PRE Node Docs
-            </ButtonLink>
-          }
-          rewardSteps={preNodeSteps}
-        />
       </Stack>
     </Card>
   )