fix: [#4324] Explicit error logging inside jwtTokenExtractor in botframework-connector

[ceciliaavila]

Fixes #4324

Description

This PR removes the unnecessary console.error statement in the jwtTokenExtractor class.

Specific Changes

• Deleted console.error statement in the jwtTokenExtractor class. The try-catch block was no longer necessary either.

Testing

Here we can see the unit tests passing after the changes.

[coveralls]

Pull Request Test Coverage Report for Build 3228265977

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.002%) to 84.615%

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Files with Coverage Reduction	New Missed Lines	%
libraries/botbuilder-lg/src/templateExtensions.ts	1	84.48%

Totals
Change from base Build 3206725406:	0.002%
Covered Lines:	19922
Relevant Lines:	22305

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💛 - Coveralls