fix(client): fix siteLocaleData type

[Mister-Hope]

This pr fix the wrong SiteLocaleData shape by removing base and locales on it.

[coveralls]

Pull Request Test Coverage Report for Build 8650693290

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 41.756%

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Totals
Change from base Build 8649779038:	0.0%
Covered Lines:	686
Relevant Lines:	1684

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💛 - Coveralls

[meteorlxy]

Any context?

[Mister-Hope]

this remove the base and locale field in siteLocaleData and correct the types.

[Mister-Hope]

@meteorlxy Maybe a review of this one? This should be simple.