remove all .size and .type directives for functions from the asm

these are useless and have caused problems for users trying to build
with non-gnu tools like tcc's assembler.

src/thread/i386/__set_thread_area.s

@@ -1,6 +1,5 @@
 .text
 .global __set_thread_area
-.type   __set_thread_area,%function
 __set_thread_area:
 	pushl %ebx
 	movl 8(%esp),%ecx
@@ -19,4 +18,3 @@ __set_thread_area:
 	movw %cx,%gs
 1:
 	ret
-.size __set_thread_area,.-__set_thread_area

src/thread/i386/__unmapself.s

@@ -1,6 +1,5 @@
 .text
 .global __unmapself
-.type   __unmapself,%function
 __unmapself:
 	movl $91,%eax
 	movl 4(%esp),%ebx
@@ -9,5 +8,3 @@ __unmapself:
 	xorl %ebx,%ebx
 	movl $1,%eax
 	int $128
-
-.size __unmapself,.-__unmapself

src/thread/i386/cancellation2.s

@@ -1,6 +1,5 @@
 .text
 .global __pthread_register_cancel
-.type   __pthread_register_cancel,%function
 __pthread_register_cancel:
 	pushl %eax
 	call __pthread_register_cancel_3
@@ -8,7 +7,6 @@ __pthread_register_cancel:
 	ret
 
 .global __pthread_unregister_cancel
-.type   __pthread_unregister_cancel,%function
 __pthread_unregister_cancel:
 	pushl %eax
 	call __pthread_unregister_cancel_3

src/thread/i386/cancellation3.s

@@ -1,6 +1,5 @@
 .text
 .global __pthread_unwind_next
-.type   __pthread_unwind_next,%function
 __pthread_unwind_next:
 	pushl %eax
 	call __pthread_unwind_next_3

src/thread/i386/clone.s

@@ -1,6 +1,5 @@
 .text
 .global __uniclone
-.type   __uniclone,%function
 __uniclone:
 	movl	4(%esp),%ecx
 	subl	$24,%ecx
@@ -24,4 +23,3 @@ __uniclone:
 	popl	%esi
 	popl	%ebx
 	ret
-.size __uniclone,.-__uniclone

src/thread/i386/syscall_cp.s

@@ -1,6 +1,5 @@
 .text
 .global __syscall_cp_asm
-.type   __syscall_cp_asm,%function
 __syscall_cp_asm:
 	pushl %ebx
 	pushl %esi