chore: remove valora rewards for no walletconnect v2 support (#524)

### Description

Removes [Valora Rewards](https://rewards.valoraapp.com) for no
WalletConnect v2 support.

locales/base.json

@@ -40,7 +40,6 @@
     "spirals": "Support climate projects",
     "ipermatch": "Collect NFT footballers and be the manager of YOUR team",
     "curve": "Swap between stable assets",
-    "valora-rewards": "Get rewards while learning about the Celo ecosystem",
     "toucan": "Use your crypto to create carbon credits for climate action",
     "cred": "Get your Web3 credit score",
     "gooddollar": "Claim UBI daily or stake to earn and support UBI",

src/valora-dapp-list.json

@@ -296,15 +296,6 @@
       "listOnAndroid": true,
       "listOnIos": true
     },
-    {
-      "name": "Valora Rewards",
-      "id": "valora-rewards",
-      "categoryId": "lend-borrow-earn",
-      "categories": ["earn"],
-      "url": "https://rewards.valoraapp.com?address={{address}}",
-      "listOnAndroid": false,
-      "listOnIos": false
-    },
     {
       "name": "Toucan Protocol",
       "id": "toucan",