[Meera] Use glyph of SA for DA with rotation
[Meera] Use reference of Vocalic L and LL for their signs
[Meera] Use reference of vowel sign E for for vowel sign AI

Duplicated reference
[Meera] Use rotated reference of NA glyph for DHA

They are symmetric
[Meera] Remove two unuseed glyphs

They were just drawings, not mapped to anything
[Meera] Remove glyphs with ത്ത stacked with ക ശ  മ

They are close to impossible glyphs

TTF font size is below 300K!