fix: Revert "fix: [#3969] useLanguagePolicy setting turn state, instead of languagePolicy"

[joshgummersall]

#minor

Reverts #3972

Looks like there is still an outstanding issue and this will be reverted in .NET.

[coveralls]

Pull Request Test Coverage Report for Build 1436204658

• 20 of 23 (86.96%) changed or added relevant lines in 3 files are covered.
• 8 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-7.9%) to 84.54%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
libraries/botbuilder-dialogs-adaptive/src/generators/multiLanguageGeneratorBase.ts	17	20	85.0%

Files with Coverage Reduction	New Missed Lines	%
libraries/botbuilder-lg/src/templateExtensions.ts	1	84.48%
libraries/botbuilder-dialogs/src/memory/scopes/dialogClassMemoryScope.ts	7	20.83%

Totals
Change from base Build 1427007791:	-7.9%
Covered Lines:	19650
Relevant Lines:	22018

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💛 - Coveralls