roll: pigweed pw_bluetooth: Add LE Remove CIG command complete event Add Emboss struct definition for HCI_LE_Remove_CIG Command Complete event (Core Spec v5.2, Vol 4, Part E, 7.8.100) Test: bazelisk test --config googletest //pw_bluetooth:emboss_test Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/468925 Original-Revision: a82ae0c83869a98d2295d8e8a00d4380ab8b886a Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed Rolled-Commits: e4f9446a5ca848..a82ae0c83869a9 Roll-Count: 1 Roller-URL: https://cr-buildbucket.appspot.com/build/8671251079944813841 GitWatcher: ignore CQ-Do-Not-Cancel-Tryjobs: true Change-Id: I0575ee347591ed73110adc3b916d865df068f075 Reviewed-on: https://pigweed-review.googlesource.com/c/zephyr/zephyr-bazel/+/471965