BHV-13458: DatePicker: Mismatch between year picker value and current value for th-TH locale

Issue:
There was a mismatch between year picker value and current value for th-TH locale
Fix:
Mismatch removed between year picker value and current value for th-TH locale

Enyo-DCO-1.1-Signed-off-by: Anshu Agrawal anshu.agrawal@lge.com
Hi @anshu099, I don't think we want to be subtracting a hard-coded value here.