Removes --ccache.

This makes only a very small difference (~1 min) with this model size, so removing
the option introduced in cdb3cc.

Author: andsteing

examples/controlnet/train_controlnet_flax.py

@@ -22,7 +22,6 @@
 from pathlib import Path
 
 import jax
-import jax.experimental.compilation_cache.compilation_cache as cc
 import jax.numpy as jnp
 import numpy as np
 import optax
@@ -1028,9 +1027,6 @@ def l2(xs):
             }
         )
 
-    if args.ccache:
-        cc.initialize_cache(args.ccache)
-
     global_step = step0 = 0
     epochs = tqdm(
         range(args.num_train_epochs),