restore libs

libs/remix-solidity/package.json

@@ -24,7 +24,6 @@
     "eslint-scope": "^5.0.0",
     "ethers": "^5.4.2",
     "ethjs-util": "^0.1.6",
-    "is-electron": "^2.2.2",
     "minixhr": "^3.2.2",
     "semver": "^6.3.0",
     "solc": "^0.7.4",
@@ -59,4 +58,4 @@
   "homepage": "https://github.com/ethereum/remix-project/tree/master/libs/remix-solidity#readme",
   "typings": "src/index.d.ts",
   "gitHead": "18a9b1f4e6ec1fc94d2a81d0157d72b742daf620"
-}
+}