Merge "Drop String::empty()" into main am: 47fc3df9a0 am: 68c2432f77

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2707114

Change-Id: Ia6b2958c21692e171d453ee0840af4a9fc1106c0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/libutils/include/utils/String8.h b/libutils/include/utils/String8.h
index e58f1a5..ace0243 100644
--- a/libutils/include/utils/String8.h
+++ b/libutils/include/utils/String8.h
@@ -52,8 +52,6 @@
     explicit                    String8(const char32_t* o, size_t numChars);
                                 ~String8();
 
-    static inline const String8 empty();
-
     static String8              format(const char* fmt, ...) __attribute__((format (printf, 1, 2)));
     static String8              formatV(const char* fmt, va_list args);
 
@@ -240,10 +238,6 @@
     return compare_type(lhs, rhs) < 0;
 }
 
-inline const String8 String8::empty() {
-    return String8();
-}
-
 inline const char* String8::c_str() const
 {
     return mString;