This reverts commit 094c416a.

add NV option for Random number generator source setting, which allows to generate same pictures on CPU/AMD/Mac as on NVidia  videocards.

delete the field that is preventing the model from being unloaded and is causing increased RAM usage

make it possible to use checkpoints of different types (SD1, SDXL) in first and second pass of hires fix

Create infotext fix

Add postprocess_batch_list script callback

bugfix: model name was added together with directory name to infotext and to [model_name] filename pattern

bugfix: model name was added together with directory name to infotext and to [model_name] filename pattern

revert SD2.1 back to use the original repo
add SDXL's force_zero_embeddings to negative prompt