Remove process env dependency (#883)

* Remove process env dependency

* Update package.json

Author: ChaituVR

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@snapshot-labs/snapshot.js",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "repository": "snapshot-labs/snapshot.js",
   "license": "MIT",
   "main": "dist/snapshot.cjs.js",

src/utils.ts

@@ -31,13 +31,11 @@ export const SNAPSHOT_SUBGRAPH_URL = delegationSubgraphs;
 const ENS_RESOLVER_ABI = [
   'function text(bytes32 node, string calldata key) external view returns (string memory)'
 ];
-const SCORE_API_KEY = process?.env?.KEYCARD_SECRET || '';
 
 const scoreApiHeaders = {
   Accept: 'application/json',
   'Content-Type': 'application/json'
 };
-if (SCORE_API_KEY) scoreApiHeaders['X-API-KEY'] = SCORE_API_KEY;
 
 const ajv = new Ajv({ allErrors: true, allowUnionTypes: true, $data: true });
 // @ts-ignore