Remove bad import for I18n (gain 4mb on vendor/ecolyo.js)

src/components/Challenge/AvailableChallengeDetailsView.tsx

src/components/Challenge/ChallengeCardLink.tsx

src/components/Challenge/ChallengeListItem.tsx

src/components/Challenge/ChallengeModal.tsx

src/components/Challenge/ChallengePile.tsx

src/components/Challenge/ChallengeViewingDate.tsx

src/components/Challenge/FinishedChallengeDetailsView.tsx

...ponents/Challenge/LockedChallengeDetailsViewContainer.tsx

src/components/Challenge/OngoingChallengeDetailsView.tsx

src/components/Charts/AxisRight.tsx

src/components/Connection/ConnectionLaunch.tsx

src/components/Connection/ConnectionLoginForm.tsx

src/components/Connection/ConnectionNotFound.tsx

src/components/Connection/ConnectionOAuthForm.tsx

src/components/Connection/ConnectionResult.tsx

src/components/Connection/OAuthForm.tsx

src/components/ConsumptionNavigator/ActivateHalfHourLoad.tsx

src/components/ConsumptionNavigator/ConsumptionNavigator.tsx

...omponents/ConsumptionVisualizer/ConsumptionVisualizer.tsx

...s/ConsumptionVisualizer/DataloadConsumptionVisualizer.tsx