message: remove unneeded GraphQL dependencies
diff: import { Uri, InvokeApiOptions } from "./";
  import { Tracer } from "@web3api/tracing-js";
  -import { DocumentNode, parse } from "graphql";
  +import { DocumentNode } from "graphql";
  import gql from "graphql-tag";
  -/** GraphQL SchemaDocument */
  -export type SchemaDocument = DocumentNode;
  -
  -/** Create a GraphQL SchemaDocument by parsing a string */
  -export const createSchemaDocument = Tracer.traceFunc(
  - "core: createSchemaDocument",
  - (schema: string): SchemaDocument => {
  - return parse(schema);
  - }
  -);
  -
  /** GraphQL QueryDocument */
  export type QueryDocument = DocumentNode;
  