fix: replace forked graphql-language-service-interface with original

[m1heng]

TODO:

• Update CHANGELOG.md* with your change (include reference to issue & this PR)
• Make sure all of the significant new logic is covered by tests
• Rebase your changes on master so that they can be merged easily
• Make sure all tests and linter rules pass

*Make sure changelog entries note which project(s) has been affected. See older entries for examples on what this looks like.

fix #2531

[apollo-cla]

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[m1heng]

🤔 build failed, this is strange.