GH-46067: [CI][C++] Remove system flatbuffers from macOS

WillAyd · WillAyd · commit b27bf7e2279c · 2025-04-10T20:08:27.000-04:00
diff --git a/cpp/Brewfile b/cpp/Brewfile
@@ -24,7 +24,6 @@ brew "c-ares"
 brew "curl"
 brew "ccache"
 brew "cmake"
-brew "flatbuffers"
 brew "git"
 brew "glog"
 brew "googletest"
