arm64: asm: Remove ENDPIPROC()

Now all the users have been removed delete the definition of ENDPIPROC()
to ensure we don't acquire any new users.
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>

arch/arm64/include/asm/assembler.h

@@ -461,18 +461,6 @@ USER(\label, ic	ivau, \tmp2)			// invalidate I line PoU
 	b.ne	9998b
 	.endm
 
-/*
- * Deprecated! Use SYM_FUNC_{START,START_WEAK,END}_PI instead.
- * Annotate a function as position independent, i.e., safe to be called before
- * the kernel virtual mapping is activated.
- */
-#define ENDPIPROC(x)			\
-	.globl	__pi_##x;		\
-	.type 	__pi_##x, %function;	\
-	.set	__pi_##x, x;		\
-	.size	__pi_##x, . - x;	\
-	ENDPROC(x)
-
 /*
  * Annotate a function as being unsuitable for kprobes.
  */