Further cleanup of #2556 .

[jmcwilliams403]

• Make պ not follow variants of u, to match e.g. կ, վ, etc., as toothless variants seem rather inappropriate for it.
• Implement fullSide serifs for most instances of descending bars (where applicable), to match other existing latin/etc. letters.
• Misc code cleanup.

֏ԱԲԳԴԵԶԷԸԹԺԻԼԽԾԿ
ՀՁՂՃՄՅՆՇՈՉՊՋՌՍՎՏ
ՐՑՒՓՔՕՖ
ՠաբգդեզէըթժիլխծկ
հձղճմյնշոչպջռսվտ
րցւփքօֆևֈ։֊

Sans Thin Upright:

Sans Regular Upright:

Sans Heavy Upright:

Sans Thin Italic:

Sans Regular Italic:

Sans Heavy Italic:

Slab Thin Upright:

Slab Regular Upright:

Slab Heavy Upright:

Slab Thin Italic:

Slab Regular Italic:

Slab Heavy Italic:

Aile Thin Upright:

Aile Regular Upright:

Aile Heavy Upright:

Aile Thin Italic:

Aile Regular Italic:

Aile Heavy Italic:

Etoile Thin Upright:

Etoile Regular Upright:

Etoile Heavy Upright:

Etoile Thin Italic:

Etoile Regular Italic:

Etoile Heavy Italic: