[third_party] Delete statusor directory

Bug: 38558
Change-Id: Ic0bdce9a903388631b44abc71931701b11ea85de
diff --git a/third_party/statusor/BUILD.gn b/third_party/statusor/BUILD.gn
deleted file mode 100644
index 2150e38..0000000
--- a/third_party/statusor/BUILD.gn
+++ /dev/null
@@ -1,3 +0,0 @@
-group("statusor") {
-  deps = ["$cobalt_root/src/lib/statusor"]
-}
diff --git a/third_party/statusor/statusor.h b/third_party/statusor/statusor.h
deleted file mode 100644
index e514053..0000000
--- a/third_party/statusor/statusor.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#ifndef COBALT_THIRD_PARTY_STATUSOR_STATUSOR_H_
-#define COBALT_THIRD_PARTY_STATUSOR_STATUSOR_H_
-
-#include "src/lib/statusor/statusor.h"
-
-namespace statusor {
-
-using cobalt::lib::statusor::StatusOr;
-
-}
-
-#endif  // COBALT_THIRD_PARTY_STATUSOR_STATUSOR_H_