Revert "feat(bl31): aarch64: RESET_TO_BL31_WITH_PARAMS"

Adopted RESET_TO_BL31_WITH_PARAMS functionality in RESET_TO_BL31
in the subsequent patches hence reverted this patch.
This reverts commit 25844ff728e4a0e5430ba2032457aba7b780a701.

Change-Id: Ia0bfa22fc45754f15c82638662dde93f604992c3
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
diff --git a/bl31/aarch64/bl31_entrypoint.S b/bl31/aarch64/bl31_entrypoint.S
index b0c46dc..ed05864 100644
--- a/bl31/aarch64/bl31_entrypoint.S
+++ b/bl31/aarch64/bl31_entrypoint.S
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2022, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2021, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -67,7 +67,6 @@
 		_exception_vectors=runtime_exceptions		\
 		_pie_fixup_size=BL31_LIMIT - BL31_BASE
 
-#if !RESET_TO_BL31_WITH_PARAMS
 	/* ---------------------------------------------------------------------
 	 * For RESET_TO_BL31 systems, BL31 is the first bootloader to run so
 	 * there's no argument to relay from a previous bootloader. Zero the
@@ -78,7 +77,6 @@
 	mov	x21, 0
 	mov	x22, 0
 	mov	x23, 0
-#endif /* RESET_TO_BL31_WITH_PARAMS */
 #endif /* RESET_TO_BL31 */
 
 	/* --------------------------------------------------------------------