Remove fluent-bit-3.0.6-r2 ebuild

BUG=b/355451778
TEST=presubmit
RELEASE_NOTE=None

Change-Id: I647593f108b0c71ebe45683435d0e981dddbe0a9
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/77479
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Chenglong Tang <chenglongtang@google.com>
diff --git a/project-lakitu/app-admin/fluent-bit/fluent-bit-3.0.6-r2.ebuild b/project-lakitu/app-admin/fluent-bit/fluent-bit-3.0.6-r2.ebuild
deleted file mode 120000
index 232c1d5..0000000
--- a/project-lakitu/app-admin/fluent-bit/fluent-bit-3.0.6-r2.ebuild
+++ /dev/null
@@ -1 +0,0 @@
-fluent-bit-3.0.6.ebuild
\ No newline at end of file