Remove gazelle:excludes awaiting Bazel 9

Now lifted by #47742.

Author: rdesgroppes

BUILD.bazel

@@ -207,15 +207,9 @@ package(default_visibility = ["//visibility:public"])
 # gazelle:exclude pkg/util/xc
 # gazelle:exclude pkg/version
 # gazelle:exclude pkg/windowsdriver
-# TODO(agent-build): This exclusion is ready for removal, blocked by issues caused by the interaction of
-# Bazel with directories named `build` created by the CMake builds. We can remove this once we remove CMake
-# support or we upgrade to a Bazel version containing a fix: https://github.com/bazelbuild/bazel/pull/26842
-# In the meantime, temporarily remove this exclusion locally if regeneration of BUILD files is required
-# gazelle:exclude rtloader
 # gazelle:exclude tasks
 # gazelle:exclude test
 # gazelle:exclude tools
-# gazelle:exclude .gitlab
 # gazelle:prefix github.com/DataDog/datadog-agent
 gazelle(
     name = "gazelle",