reduced font overview width with 5th line

reduced font overview width with 5th line

Remove less related columns for Georgian, Armenian, and Hebrew/Arabic,
as these are more rarely (expected to be) supported, provide a very
limited summary, and can be seen in the following table.

Move all symbols of ambiguous width to a new row, filled out with wide
emoji samples (common categories in GBoard &al), personal preferences:

- Smileys & Emotion: smiley
- People: raised hand
- Animals & Nature: turtle
- Food & Drink: coffee (only BMP glyph not in U+1F*)
- Travel & Places: ideal transport
- Activities & Events: trophy
- Objects: bulb
- Symbols: keyboard input
- Flags: checkered flag