pw_bloat: Fix source filter

Source filters were incorrectly being added as dependencies.

Change-Id: Ib68c1da154aa132f81f6e3f87bff5ec7128b780e
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/110533
Commit-Queue: Auto-Submit <auto-submit@pigweed.google.com.iam.gserviceaccount.com>
Pigweed-Auto-Submit: Armando Montanez <amontanez@google.com>
Reviewed-by: Wyatt Hepler <hepler@google.com>
diff --git a/pw_bloat/bloat.gni b/pw_bloat/bloat.gni
index 0171bcf..3274d69 100644
--- a/pw_bloat/bloat.gni
+++ b/pw_bloat/bloat.gni
@@ -202,7 +202,6 @@
 
     if (defined(invoker.source_filter)) {
       _global_source_filter = invoker.source_filter
-      _all_target_dependencies += [ _global_source_filter ]
     }
 
     if (defined(invoker.data_sources)) {