revert: "Add Multicall3 contract to EDU Chain mainnet" (#3880)

Revert "feat: add Multicall3 contract to EDU Chain mainnet (#3878)"

This reverts commit bed2a38.

Author: jxom

.changeset/tasty-fireants-smoke.md

@@ -19,11 +19,5 @@ export const eduChain = /*#__PURE__*/ defineChain({
       url: 'https://educhain.blockscout.com/',
     },
   },
-  contracts: {
-    multicall3: {
-      address: '0xcA11bde05977b3631167028862bE2a173976CA11',
-      blockCreated: 16410660,
-    },
-  },
   testnet: false,
 })