riched20: ME_MakeString() is unused so remove it.

dlls/riched20/editor.h

@@ -86,7 +86,6 @@ void ME_DumpDocument(ME_TextBuffer *buffer);
 const char *ME_GetDITypeName(ME_DIType type);
 
 /* string.c */
-ME_String *ME_MakeString(LPCWSTR szText);
 ME_String *ME_MakeStringN(LPCWSTR szText, int nMaxChars);
 ME_String *ME_MakeStringR(WCHAR cRepeat, int nMaxChars);
 ME_String *ME_StrDup(const ME_String *s);

dlls/riched20/string.c

@@ -49,11 +49,6 @@ ME_String *ME_MakeStringN(LPCWSTR szText, int nMaxChars)
   return s;
 }
 
-ME_String *ME_MakeString(LPCWSTR szText)
-{
-  return ME_MakeStringN(szText, lstrlenW(szText));
-}
-
 /* Make a string by repeating a char nMaxChars times */
 ME_String *ME_MakeStringR(WCHAR cRepeat, int nMaxChars)
 {