Remove optimization from av1_loop_restoration_filter_frame
Remove optimization from av1_loop_restoration_filter_frame

This is done at the two call sites (where it's needed to avoid saving
lines unnecessarily for striped loop restoration context), so there's
no need to repeat it here.

Change-Id: I11e1ed5f50711fe1b4e8cb2101d3bfb4d16cda57

GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom,GrokImageCompression/aom