Syncope option does not work from Brahmic to Roman schemes

[bwasty]

Example:
Sanscript.t('chAy', 'itrans', 'devanagari', {syncope: true}) == 'चाय' (fine)
Sanscript.t('चाय', 'devanagari', 'itrans', {syncope: true}) == 'chAya'
This should be just chAy, shouldn't it?

[vvasuki]

This is not currently implemented. Contribute a fix?