error/{en,error}.h: drop unused kParseErrorDocumentRootNotObjectOrArray error

include/rapidjson/error/en.h

@@ -37,7 +37,6 @@ inline const RAPIDJSON_ERROR_CHARTYPE* GetParseError_En(ParseErrorCode parseErro
         case kParseErrorNone:                           return RAPIDJSON_ERROR_STRING("No error.");
 
         case kParseErrorDocumentEmpty:                  return RAPIDJSON_ERROR_STRING("The document is empty.");
-        case kParseErrorDocumentRootNotObjectOrArray:   return RAPIDJSON_ERROR_STRING("The document root must be either object or array.");
         case kParseErrorDocumentRootNotSingular:        return RAPIDJSON_ERROR_STRING("The document root must not follow by other values.");
     
         case kParseErrorValueInvalid:                   return RAPIDJSON_ERROR_STRING("Invalid value.");

include/rapidjson/error/error.h

@@ -57,7 +57,6 @@ enum ParseErrorCode {
     kParseErrorNone = 0,                        //!< No error.
 
     kParseErrorDocumentEmpty,                   //!< The document is empty.
-    kParseErrorDocumentRootNotObjectOrArray,    //!< The document root must be either object or array.
     kParseErrorDocumentRootNotSingular,         //!< The document root must not follow by other values.
 
     kParseErrorValueInvalid,                    //!< Invalid value.