chore: removed the 0.7 solc config

Author: jaybuidl

contracts/hardhat.config.js

@@ -10,15 +10,6 @@ require("./tasks/update-deployments");
 module.exports = {
   solidity: {
     compilers: [
-      {
-        version: "0.7.6",
-        settings: {
-          optimizer: {
-            enabled: true,
-            runs: 200,
-          },
-        },
-      },
       {
         version: "0.8.25",
         settings: {