breaking(lmp): do not apply scale factor to model deviation

[njzjz]

Resolves #3027.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ea45295) 75.73% compared to head (744ddd0) 75.73%.

Additional details and impacted files

@@            Coverage Diff             @@
##            devel    #3036      +/-   ##
==========================================
- Coverage   75.73%   75.73%   -0.01%     
==========================================
  Files         245      245              
  Lines       24686    24685       -1     
  Branches     1591     1595       +4     
==========================================
- Hits        18697    18696       -1     
  Misses       5054     5054              
  Partials      935      935              

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[wanghan-iapcm]

The scale factor in the atomic force deviation should also be removed.

deepmd-kit/source/lmp/pair_deepmd.cpp

Lines 801 to 802 in 66cc41e

	std_f_all[tagrecv[dd] - 1] =
	stdfrecv[dd] * scale[1][1] * force_unit_cvt_factor;