MAINT: Remove unneeded .def files

[david-cortes-intel]

Description

This PR removes BLAS and LAPACK functions from the .def files that export them in oneDAL's .dlls for windows.

After the move to oneMKL, these shouldn't be necessary anymore.

---

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[david-cortes-intel]

/intelci: run

[david-cortes-intel]

/intelci: run

[david-cortes-intel]

Looks like empty .def files (with just "export") were indeed needed by some make scripts:

make: *** No rule to make target '__work/md/lnx32e/threading_dynamic/libonedal_thread_link.def', needed by '__work/md/lnx32e/daal/lib/libonedal_thread.so'.  Stop.

@Alexandr-Solovev Any idea of why that might be the case?

[Alexandr-Solovev]

Looks like empty .def files (with just "export") were indeed needed by some make scripts:

make: *** No rule to make target '__work/md/lnx32e/threading_dynamic/libonedal_thread_link.def', needed by '__work/md/lnx32e/daal/lib/libonedal_thread.so'.  Stop.

@Alexandr-Solovev Any idea of why that might be the case?

Interesting, I will take a look

[Alexandr-Solovev]

@david-cortes-intel
I locally fixed it, not sure that all tests are passed, but it builds successfully
Firstly I removed this:
https://github.com/oneapi-src/oneDAL/blob/main/makefile#L843
https://github.com/oneapi-src/oneDAL/blob/main/makefile#L844
And also removed $(THR.tmpdir_y)/$(thr_tbb_y:%.$y=%_link.def) from this line https://github.com/oneapi-src/oneDAL/blob/main/makefile#L848
Looks like it searches .def files for threading and returns error.
Can you apply this changes and check it?
upd: I also removed https://github.com/oneapi-src/oneDAL/blob/main/makefile#L492
and oneDAL/cpp/daal/src/algorithms/export_win32e.def but it probably affects windows, didnt test it

[david-cortes-intel]

/intelci: run