roll: pigweed pw_bluetooth_sapphire: Enable all build flags in gap

Remove all module-specific build flags from host/gap.

Test: pw presubmit --step gn_chre_googletest_nanopb_sapphire_build
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/244132
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: 884a156a2755d62631a0a7812e5c3f0dc89cf972

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 7fe81913ff9d87..884a156a2755d6
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8733174599360383697
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I503fcc1280643b6dd41fe6d14e2c41cfa285eac8
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/showcase/sense/+/244453
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>