Remove dead code.

If this was strlcpy16 it wouldn't be such a bad idea, but strncpy16 is
just an accident waiting to happen...

Test: N/A
Change-Id: Id296fdeadfb9f1f70ddc8fb6d31b3b6b5178a12c
diff --git a/libutils/Unicode.cpp b/libutils/Unicode.cpp
index 5f0a51f..24a745a 100644
--- a/libutils/Unicode.cpp
+++ b/libutils/Unicode.cpp
@@ -275,25 +275,6 @@
   return ss-s;
 }
 
-
-char16_t *strncpy16(char16_t *dst, const char16_t *src, size_t n)
-{
-  char16_t *q = dst;
-  const char16_t *p = src;
-  char ch;
-
-  while (n) {
-    n--;
-    *q++ = ch = *p++;
-    if ( !ch )
-      break;
-  }
-
-  *q = 0;
-
-  return dst;
-}
-
 size_t strnlen16(const char16_t *s, size_t maxlen)
 {
   const char16_t *ss = s;
diff --git a/libutils/include/utils/Unicode.h b/libutils/include/utils/Unicode.h
index 61a1b4f..a2aaa47 100644
--- a/libutils/include/utils/Unicode.h
+++ b/libutils/include/utils/Unicode.h
@@ -28,7 +28,6 @@
 size_t strlen16(const char16_t *);
 size_t strnlen16(const char16_t *, size_t);
 char16_t *strcpy16(char16_t *, const char16_t *);
-char16_t *strncpy16(char16_t *, const char16_t *, size_t);
 char16_t *strstr16(const char16_t*, const char16_t*);
 
 // Version of comparison that supports embedded NULs.