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

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

1 files changed, 0 insertions, 62 deletions

diff --git a/yt/cpp/mapreduce/common/debug_metrics.cpp b/yt/cpp/mapreduce/common/debug_metrics.cpp
deleted file mode 100644
index 6235e55f7e6..00000000000
--- a/yt/cpp/mapreduce/common/debug_metrics.cpp
+++ /dev/null
@@ -1,62 +0,0 @@
-#include "debug_metrics.h"
-
-#include <util/generic/hash.h>
-#include <util/generic/singleton.h>
-
-#include <util/string/cast.h>
-#include <util/system/mutex.h>
-
-namespace NYT {
-namespace NDetail {
-
-////////////////////////////////////////////////////////////////////////////////
-
-class TDebugMetrics {
-public:
-    static TDebugMetrics& Get()
-    {
-        return *Singleton<TDebugMetrics>();
-    }
-
-    void Inc(TStringBuf name)
-    {
-        auto g = Guard(Lock_);
-        auto it = Metrics_.find(name);
-        if (it == Metrics_.end()) {
-            it = Metrics_.emplace(ToString(name), 0).first;
-        }
-        ++it->second;
-    }
-
-    ui64 Get(TStringBuf name) const
-    {
-        auto g = Guard(Lock_);
-        auto it = Metrics_.find(name);
-        if (it == Metrics_.end()) {
-            return 0;
-        } else {
-            return it->second;
-        }
-    }
-
-private:
-    TMutex Lock_;
-    THashMap<TString, ui64> Metrics_;
-};
-
-////////////////////////////////////////////////////////////////////////////////
-
-void IncDebugMetricImpl(TStringBuf name)
-{
-    TDebugMetrics::Get().Inc(name);
-}
-
-ui64 GetDebugMetric(TStringBuf name)
-{
-    return TDebugMetrics::Get().Get(name);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
-} // namespace NDetail
-} // namespace NYT