jax.core: remove private API

PiperOrigin-RevId: 705155279

Author: Jake VanderPlas

jax/core.py

@@ -39,7 +39,6 @@
   unsafe_am_i_under_a_jit as unsafe_am_i_under_a_jit_DO_NOT_USE,  # noqa: F401
   unsafe_am_i_under_a_vmap as unsafe_am_i_under_a_vmap_DO_NOT_USE,  # noqa: F401
   unsafe_get_axis_names as unsafe_get_axis_names_DO_NOT_USE,  # noqa: F401
-  unsafe_get_current_trace as unsafe_get_current_trace_DO_NOT_USE,  # noqa: F401
   UnshapedArray as UnshapedArray,
   Value as Value,
   abstract_token as abstract_token,