[submodules] Remove ignore for third_party/boringssl/src

Change-Id: Ie5605bc7f96cb29bde95cd8f506f361cdb6e4e08
Reviewed-on: https://fuchsia-review.googlesource.com/c/cobalt/+/637446
Fuchsia-Auto-Submit: Zach Bush <zmbush@google.com>
Reviewed-by: Cameron Dale <camrdale@google.com>
Commit-Queue: Auto-Submit <auto-submit@fuchsia-infra.iam.gserviceaccount.com>
diff --git a/.gitmodules b/.gitmodules
index 543f558..14ed140 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -65,5 +65,3 @@
 [submodule "third_party/boringssl/src"]
 	path = third_party/boringssl/src
 	url = https://fuchsia.googlesource.com/third_party/boringssl
-	# Temporarily ignore issues for boringssl/src
-	ignore = all