Remove arch specific hidden bcopy

libc/string/arm/bcopy.S

@@ -54,5 +54,3 @@ bcopy:
 	b	_memcpy /* (PLT) */
 	
 .size bcopy,.-bcopy
-
-libc_hidden_def(bcopy)

libc/string/sparc/sparc32/memcpy.S

@@ -166,7 +166,6 @@ ENTRY(bcopy)
 	mov		%o1, %o0
 	mov		%o3, %o1
 END(bcopy)
-libc_hidden_def(bcopy)
 
 ENTRY(memmove)
 	cmp		%o0, %o1

libc/string/sparc/sparc64/memcpy.S

@@ -206,7 +206,6 @@ ENTRY(bcopy)
 	retl
 	 nop
 END(bcopy)
-libc_hidden_def(bcopy)
 
 	.align		32
 200:	be,pt		%xcc, 201f			/* CTI				*/