Remove duplication introduced by the Hindi pull request that was merged too early.

latinLetterDef8Dotsin.uti is identical to latinLetterDef8Dots.uti, except for false attribution in the Hindi version.
Remove duplication introduced by the Hindi pull request that was merged too early.

litdigits6Dotsin.uti is identical to litdigits6Dotsin.uti, except for false attribution in the Hindi version.
Remove duplication introduced by the Hindi pull request that was merged too early.

loweredDigits6Dotsin.uti is identical to loweredDigits6Dots.uti, except for false attribution in the Hindi version.
Remove duplication introduced by the Hindi pull request that was merged too early.

chardefsin.cti is identical to an old copy of chardefs.cti, except for false attribution in the Hindi version.