UI: Remove Barbie theme and update pink color code

[ksharma-xyz]

TL;DR

Updated theme color values and removed Barbie theme option

What changed?

• Renamed barbiePink to barbie_pink_theme and updated its color value from 0xFFDA1884 to 0xFFAA0999
• Removed the BarbiePink enum option from KrailThemeStyle

How to test?

1. Build and run the app
2. Verify the new pink color (0xFFAA0999) is displayed correctly where used
3. Confirm the Barbie theme option is no longer available in theme selection

Why make this change?

To maintain consistency in theme naming conventions and remove an unused theme option while updating the pink color to better match the application's color palette.

[ksharma-xyz]

• UI: Remove Barbie theme and update pink color code #583 👈 (View in Graphite)
• main

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[ksharma-xyz]

Merge activity

• Feb 1, 9:42 PM EST: A user started a stack merge that includes this pull request via Graphite.
• Feb 1, 9:55 PM EST: A user merged this pull request with Graphite.