remove unneccessary is isValidJson() check

[ghost]

await.response.json() from fetch always returns a valid json and not a string. So removed redundant call. This was not allowing HRC 721 tokens to be displayed properly.

Fetch document for reference : https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch#supplying_request_options

[ghost]

@hypnagonia will this also trigger a release pipeline ?? if not it must be triggered - so that the new version is available to update / download

[sophoah]

@datpenguinclub @hypnagonia just took over this so we are still figuring out how to release the update to the chrome store.

[ghost]

@sophoah please consider this PR too before y'all go through with the next release - 👉 #110

…

On Mon, 1 Nov 2021 at 17:07, Soph ***@***.***> wrote: @datpenguinclub <https://github.com/datpenguinclub> @hypnagonia <https://github.com/hypnagonia> just took over this so we are still figuring out how to release the update to the chrome store. — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#109 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AWIMYIYHOM6EI3W6HABFOXLUJYG6PANCNFSM5G63G25A> . Triage notifications on the go with GitHub Mobile for iOS <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> or Android <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub>.