Remove public/ from list of suppressed unsafe_buffers directories,

As far as I can tell, there shouldn't be anything in these headers
that would trip the warning.

Change-Id: I5e9eb0ea11d27a1e64806ce3c0464156684641e8
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/122171
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@google.com>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
diff --git a/pdfium_unsafe_buffers_paths.txt b/pdfium_unsafe_buffers_paths.txt
index 64613bd..0b8a606 100644
--- a/pdfium_unsafe_buffers_paths.txt
+++ b/pdfium_unsafe_buffers_paths.txt
@@ -19,7 +19,6 @@
 # These directories are excluded because they come from outside PDFium and
 # we don't have control over their contents.
 -base/
--public/
 -samples/
 -skia/
 -testing/