Remove persist.bootanim.color property definitions

These now belong to the platform policy.

Bug: 321088135
Test: build
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:dbac8fd52fbe391d0a27b35a803b212ecba8f278)
Merged-In: Iafe8da5e19a43807aed49e1984ef798de396e723
Change-Id: Iafe8da5e19a43807aed49e1984ef798de396e723
1 file changed