Revert "YT-19324: move YT provider to ydb/library/yql"

This reverts commit ca272f12fdd0e8d5c3e957fc87939148f1caaf72, reversing
changes made to 49f8acfc8b0b5c0071b804423bcf53fda26c7c12.

1 files changed, 0 insertions, 122 deletions

diff --git a/yt/cpp/mapreduce/interface/format.h b/yt/cpp/mapreduce/interface/format.h
deleted file mode 100644
index e2975764642..00000000000
--- a/yt/cpp/mapreduce/interface/format.h
+++ /dev/null
@@ -1,122 +0,0 @@
-#pragma once
-
-///
-/// @file yt/cpp/mapreduce/interface/format.h
-///
-/// Header containing class to work with raw [YT formats](https://yt.yandex-team.ru/docs/description/storage/formats.html).
-
-#include "node.h"
-
-#include <google/protobuf/descriptor.h>
-
-namespace NYT {
-
-////////////////////////////////////////////////////////////////////////////////
-
-/// @deprecated
-struct TYamredDsvAttributes
-{
-    /// Names of key columns.
-    TVector<TString> KeyColumnNames;
-
-    /// Names of subkey columns.
-    TVector<TString> SubkeyColumnNames;
-};
-
-////////////////////////////////////////////////////////////////////////////////
-
-/// @brief Class representing YT data format.
-///
-/// Normally the user does not need to use it.
-/// However, the class is handy for "raw" operations and table reading and writing,
-/// e.g. @ref NYT::IOperationClient::RawMap and other raw operations,
-/// @ref NYT::IIOClient::CreateRawReader and @ref NYT::IIOClient::CreateRawWriter.
-/// Anyway, the static factory methods should be preferred to the constructor.
-///
-/// @see [YT doc](https://yt.yandex-team.ru/docs/description/storage/formats.html).
-struct TFormat
-{
-public:
-    /// Format representation understandable by YT.
-    TNode Config;
-
-public:
-    /// @brief Construct format from given YT format representation.
-    ///
-    /// @note Prefer using static factory methods (e.g. @ref NYT::TFormat::YsonBinary, @ref NYT::TFormat::YsonText, @ref NYT::TFormat::Protobuf).
-    explicit TFormat(const TNode& config = TNode());
-
-    /// @brief Create text YSON format.
-    ///
-    /// @see [the doc](https://yt.yandex-team.ru/docs/description/storage/formats.html#YSON)
-    static TFormat YsonText();
-
-    /// @brief Create binary YSON format.
-    ///
-    /// @see [the doc](https://yt.yandex-team.ru/docs/description/storage/formats.html#YSON)
-    static TFormat YsonBinary();
-
-    /// @brief Create YaMR format.
-    ///
-    /// @deprecated
-    static TFormat YaMRLenval();
-
-    /// @brief Create protobuf format from protobuf message descriptors.
-    ///
-    /// @see [the doc](https://yt.yandex-team.ru/docs/api/c++/protobuf.html).
-    static TFormat Protobuf(
-        const TVector<const ::google::protobuf::Descriptor*>& descriptors,
-        bool withDescriptors = false);
-
-    /// @brief Create JSON format.
-    ///
-    /// @see [the doc](https://yt.yandex-team.ru/docs/description/storage/formats.html#JSON)
-    static TFormat Json();
-
-    /// @brief Create protobuf format for the message specified in template parameter.
-    ///
-    /// `T` must be inherited from `Message`.
-    ///
-    /// @see [the doc](https://yt.yandex-team.ru/docs/api/c++/protobuf.html).
-    template<typename T>
-    static inline TFormat Protobuf(bool withDescriptors = false);
-
-    /// @brief Is the format text YSON?
-    ///
-    /// @see [the doc](https://yt.yandex-team.ru/docs/description/storage/formats.html#YSON)
-    bool IsTextYson() const;
-
-    /// @brief Is the format protobuf?
-    ///
-    /// @see [the doc](https://yt.yandex-team.ru/docs/api/c++/protobuf.html)
-    bool IsProtobuf() const;
-
-    /// @brief Is the format YaMR?
-    ///
-    /// @deprecated
-    bool IsYamredDsv() const;
-
-    /// @brief For YAMR format returns its attributes in structured way.
-    ///
-    /// @deprecated
-    TYamredDsvAttributes GetYamredDsvAttributes() const;
-};
-
-////////////////////////////////////////////////////////////////////////////////
-
-template<typename T>
-TFormat TFormat::Protobuf(bool withDescriptors) {
-    return TFormat::Protobuf({T::descriptor()}, withDescriptors);
-}
-
-/// @brief Create table schema from protobuf message descriptor.
-///
-/// @param messageDescriptor Message descriptor
-/// @param keepFieldsWithoutExtension Add to schema fields without "column_name" or "key_column_name" extensions.
-TTableSchema CreateTableSchema(
-    const ::google::protobuf::Descriptor& messageDescriptor,
-    bool keepFieldsWithoutExtension);
-
-////////////////////////////////////////////////////////////////////////////////
-
-} // namespace NYT