Remove second vibration from clock fidget haptics.

(As the French say about eggs, one is enough.)

Bug: 374305993
Test: manual (must tap this interactively)
Flag: com.android.systemui.clock_fidget_animation
Cherrypick-From: https://googleplex-android-review.googlesource.com/q/commit:11dca634caf574d091d233d7cd31e594d2055c4f
Merged-In: I656b12a7ac06794bb591acb49120abf7a1d3c25e
Change-Id: I656b12a7ac06794bb591acb49120abf7a1d3c25e