nanshe/nanshe/registration.py: Eliminate the variable `frames2reg_fft_spatial_shape` as it is no longer needed.
nanshe/nanshe/registration.py: Eliminate the variable `frames2reg_fft_spatial_shape` as it is no longer needed.

nanshe-org/nanshe,DudLab/nanshe,jakirkham/nanshe,DudLab/nanshe,nanshe-org/nanshe,jakirkham/nanshe