Remove //rtc_base:macromagic from public deps

Bug: webrtc:8603
Change-Id: I9708df48c9bde9f86ba2d1a92a278bb0d09f3865
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/257909
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Auto-Submit: Florent Castelli <orphis@webrtc.org>
Commit-Queue: Florent Castelli <orphis@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36444}

stats/BUILD.gn

diff --git a/stats/BUILD.gn b/stats/BUILD.gn
index d947c50..88613af 100644
--- a/stats/BUILD.gn
+++ b/stats/BUILD.gn
@@ -24,6 +24,7 @@
   deps = [
     "../api:rtc_stats_api",
     "../rtc_base:checks",
+    "../rtc_base:macromagic",
     "../rtc_base:rtc_base_approved",
   ]
 }