nptl: remove pthread_attr_init/pthread_create weak aliases

We do not support symbol versioning, so remove these weak aliases.

libpthread/nptl/pthreadP.h

@@ -355,16 +355,10 @@ extern void __pthread_cleanup_upto (__jmp_buf target, char *targetframe);
 hidden_proto (__pthread_cleanup_upto)
 #endif
 
-
+extern int pthread_create (pthread_t *newthread,
-/* Functions with versioned interfaces.  */
-extern int __pthread_create_2_1 (pthread_t *newthread,
-				 const pthread_attr_t *attr,
-				 void *(*start_routine) (void *), void *arg);
-extern int __pthread_create_2_0 (pthread_t *newthread,
 				 const pthread_attr_t *attr,
 				 void *(*start_routine) (void *), void *arg);
-extern int __pthread_attr_init_2_1 (pthread_attr_t *attr);
+extern int pthread_attr_init (pthread_attr_t *attr);
-extern int __pthread_attr_init_2_0 (pthread_attr_t *attr);
 
 
 /* Event handlers for libthread_db interface.  */

libpthread/nptl/pthread_attr_init.c

@@ -29,7 +29,7 @@ int __attr_list_lock = LLL_LOCK_INITIALIZER;
 
 int
 attribute_protected
-__pthread_attr_init_2_1 (
+pthread_attr_init (
      pthread_attr_t *attr)
 {
   struct pthread_attr *iattr;
@@ -47,4 +47,3 @@ __pthread_attr_init_2_1 (
 
   return 0;
 }
-weak_alias(__pthread_attr_init_2_1, pthread_attr_init)

libpthread/nptl/pthread_create.c

@@ -428,7 +428,7 @@ static const struct pthread_attr default_attr =
 
 
 int
-__pthread_create_2_1 (
+pthread_create (
      pthread_t *newthread,
      const pthread_attr_t *attr,
      void *(*start_routine) (void *),
@@ -558,7 +558,6 @@ __pthread_create_2_1 (
 
   return 0;
 }
-weak_alias(__pthread_create_2_1, pthread_create)
 
 /* Information for libthread_db.  */