remove unnecessary brackets from readme code block

[michaelrkn]

No description provided.

[filipesilva]

Fair enough. Right now it looks like this

and with @michaelrkn changes it looks like this

so lgtm.

[cironunes]

or you can make it a proper anchor like http://localhost:4200 by modifying it to: [http://localhost:4200](http://localhost:4200)

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