Internal cleanup

PiperOrigin-RevId: 973679816
Change-Id: I8903219f198617e602d723494a5aa0705ef0f633

absl/log/internal/conditions.h

diff --git a/absl/log/internal/conditions.h b/absl/log/internal/conditions.h
index 8be029d..f63e709 100644
--- a/absl/log/internal/conditions.h
+++ b/absl/log/internal/conditions.h
@@ -94,7 +94,7 @@
        absl_log_internal_stateful_condition_do_log &&                     \
        absl_log_internal_stateful_condition_state.ShouldLog(__VA_ARGS__); \
        absl_log_internal_stateful_condition_do_log = false)               \
-    for (const uint32_t COUNTER ABSL_ATTRIBUTE_UNUSED =                   \
+    for (const uint32_t COUNTER [[maybe_unused]] =                        \
              absl_log_internal_stateful_condition_state.counter();        \
          absl_log_internal_stateful_condition_do_log;                     \
          absl_log_internal_stateful_condition_do_log = false)             \

absl/log/internal/stderr_log_sink_test.cc

diff --git a/absl/log/internal/stderr_log_sink_test.cc b/absl/log/internal/stderr_log_sink_test.cc
index 763690d..4e5787e 100644
--- a/absl/log/internal/stderr_log_sink_test.cc
+++ b/absl/log/internal/stderr_log_sink_test.cc
@@ -29,7 +29,7 @@
 using ::testing::AllOf;
 using ::testing::HasSubstr;
 
-auto* test_env ABSL_ATTRIBUTE_UNUSED = ::testing::AddGlobalTestEnvironment(
+auto* test_env [[maybe_unused]] = ::testing::AddGlobalTestEnvironment(
     new absl::log_internal::LogTestEnvironment);
 
 MATCHER_P2(HasSubstrTimes, substr, expected_count, "") {