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

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

1 files changed, 0 insertions, 69 deletions

diff --git a/library/cpp/threading/cron/cron.cpp b/library/cpp/threading/cron/cron.cpp
deleted file mode 100644
index e7c1c59735..0000000000
--- a/library/cpp/threading/cron/cron.cpp
+++ /dev/null
@@ -1,69 +0,0 @@
-#include "cron.h"
-
-#include <library/cpp/deprecated/atomic/atomic.h>
-
-#include <util/system/thread.h>
-#include <util/system/event.h>
-
-using namespace NCron;
-
-namespace {
-    struct TPeriodicHandle: public IHandle {
-        inline TPeriodicHandle(TJob job, TDuration interval, const TString& threadName)
-            : Job(job)
-            , Interval(interval)
-            , Done(false)
-        {
-            TThread::TParams params(DoRun, this);
-            if (!threadName.empty()) {
-                params.SetName(threadName);
-            }
-            Thread = MakeHolder<TThread>(params);
-            Thread->Start();
-        }
-
-        static inline void* DoRun(void* data) noexcept {
-            ((TPeriodicHandle*)data)->Run();
-
-            return nullptr;
-        }
-
-        inline void Run() noexcept {
-            while (true) {
-                Job();
-
-                Event.WaitT(Interval);
-
-                if (AtomicGet(Done)) {
-                    return;
-                }
-            }
-        }
-
-        ~TPeriodicHandle() override {
-            AtomicSet(Done, true);
-            Event.Signal();
-            Thread->Join();
-        }
-
-        TJob Job;
-        TDuration Interval;
-        TManualEvent Event;
-        TAtomic Done;
-        THolder<TThread> Thread;
-    };
-}
-
-IHandlePtr NCron::StartPeriodicJob(TJob job) {
-    return NCron::StartPeriodicJob(job, TDuration::Seconds(0), "");
-}
-
-IHandlePtr NCron::StartPeriodicJob(TJob job, TDuration interval) {
-    return NCron::StartPeriodicJob(job, interval, "");
-}
-
-IHandlePtr NCron::StartPeriodicJob(TJob job, TDuration interval, const TString& threadName) {
-    return new TPeriodicHandle(job, interval, threadName);
-}
-
-IHandle::~IHandle() = default;