Remove #if cruft.

There's negative value to explicitly calling out Linux and ELF here,
when Android -- and especially this project -- is always both anyway.

No functional change.

Test: treehugger
Change-Id: Ic7514d74a5b5f6f06e64c46486c12773995076cd
diff --git a/libc/arch-common/bionic/crtend.S b/libc/arch-common/bionic/crtend.S
index 9676db8..49c729f 100644
--- a/libc/arch-common/bionic/crtend.S
+++ b/libc/arch-common/bionic/crtend.S
@@ -46,11 +46,10 @@
 	ASM_ALIGN_TO_PTR_SIZE
 	ASM_PTR_SIZE(0)
 
-#if defined(__linux__) && defined(__ELF__)
-	.section .note.GNU-stack,"",%progbits
-#endif
+	.section .note.GNU-stack, "", %progbits
+
 #if !defined(__arm__)
-	.section	.eh_frame,"a",@progbits
+	.section .eh_frame, "a", @progbits
 	.balign 4
 	.type	__FRAME_END__, @object
 	.size	__FRAME_END__, 4