MAINT: Remove volatile and comment from scalar operators
MAINT: Remove volatile and comment from scalar operators

The volatile statement was designed to prevent reordering of
floating point error checks, however, this was more generally
fixed in gh-11036, thus removing the need for the volatile
declaration (and bringing the code in line with the rest of
the file).

grlee77/numpy,seberg/numpy,pdebuyl/numpy,mhvk/numpy,grlee77/numpy,anntzer/numpy,madphysicist/numpy,jakirkham/numpy,seberg/numpy,rgommers/numpy,grlee77/numpy,anntzer/numpy,madphysicist/numpy,endolith/numpy,simongibbons/numpy,rgommers/numpy,mattip/numpy,numpy/numpy,madphysicist/numpy,rgommers/numpy,simongibbons/numpy,grlee77/numpy,pdebuyl/numpy,simongibbons/numpy,charris/numpy,mhvk/numpy,simongibbons/numpy,seberg/numpy,pbrod/numpy,grlee77/numpy,endolith/numpy,anntzer/numpy,mhvk/numpy,madphysicist/numpy,numpy/numpy,numpy/numpy,mattip/numpy,numpy/numpy,mattip/numpy,jakirkham/numpy,anntzer/numpy,pbrod/numpy,pbrod/numpy,endolith/numpy,pbrod/numpy,simongibbons/numpy,pdebuyl/numpy,endolith/numpy,charris/numpy,pdebuyl/numpy,charris/numpy,mattip/numpy,pbrod/numpy,jakirkham/numpy,seberg/numpy,madphysicist/numpy,mhvk/numpy,jakirkham/numpy,mhvk/numpy,rgommers/numpy,charris/numpy,jakirkham/numpy