* src/threads/threads-common.c (threads_thread_create_internal):

* src/threads/threads-common.c (threads_thread_create_internal):
Renamed to threads_thread_start_internal and start the thread.
(threads_start_javathread): Renamed to threads_thread_start.
* src/threads/threads-common.h: Likewise.

* src/threads/native/threads.c (threads_start_thread): Renamed to
threads_impl_thread_start.

* src/mm/memory.c (thread_memory): Removed.
(memory_start_thread): Call threads_thread_start_internal.

* src/vm/finalizer.c (thread_finalizer): Removed.
(finalizer_start_thread): Call threads_thread_start_internal.

* src/vm/signal.c (thread_signal): Removed.
(signal_start_thread): Call threads_thread_start_internal.

* src/vm/jit/optimizing/profile.c (thread_profile): Removed.
(profile_start_thread): Call threads_thread_start_internal.

* src/vm/jit/optimizing/recompile.c (thread_recompile): Removed.
(recompile_start_thread): Call threads_thread_start_internal.