Remove unnecessary dep on `core_headers` from the `nullability` cc_library

PiperOrigin-RevId: 813289851
Change-Id: Iaf986c1582be508f9956bb7635e12f91d026a25c
diff --git a/absl/base/BUILD.bazel b/absl/base/BUILD.bazel
index 8755122..c51dd22 100644
--- a/absl/base/BUILD.bazel
+++ b/absl/base/BUILD.bazel
@@ -88,10 +88,7 @@
     hdrs = ["nullability.h"],
     copts = ABSL_DEFAULT_COPTS,
     linkopts = ABSL_DEFAULT_LINKOPTS,
-    deps = [
-        ":config",
-        ":core_headers",
-    ],
+    deps = [":config"],
 )
 
 cc_library(
@@ -638,7 +635,6 @@
     name = "nullability_test",
     srcs = ["nullability_test.cc"],
     deps = [
-        ":core_headers",
         ":nullability",
         "@googletest//:gtest",
         "@googletest//:gtest_main",
diff --git a/absl/base/CMakeLists.txt b/absl/base/CMakeLists.txt
index f90b6b0..2b27c3e 100644
--- a/absl/base/CMakeLists.txt
+++ b/absl/base/CMakeLists.txt
@@ -74,7 +74,6 @@
     "nullability.h"
   DEPS
     absl::config
-    absl::core_headers
   COPTS
     ${ABSL_DEFAULT_COPTS}
 )
@@ -87,7 +86,6 @@
   COPTS
     ${ABSL_TEST_COPTS}
   DEPS
-    absl::core_headers
     absl::nullability
     GTest::gtest_main
 )