refactor(cpus): remove cpu specific errata funcs

Errata printing is done directly via generic_errata_report.
This commit removes the unused \_cpu\()_errata_report
functions for all cores, and removes errata_func from cpu_ops.

Change-Id: I04fefbde5f0ff63b1f1cd17c864557a14070d68c
Signed-off-by: Ryan Everett <ryan.everett@arm.com>
diff --git a/lib/cpus/aarch64/qemu_max.S b/lib/cpus/aarch64/qemu_max.S
index 00963bc..fb03cf1 100644
--- a/lib/cpus/aarch64/qemu_max.S
+++ b/lib/cpus/aarch64/qemu_max.S
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2023, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2024, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -47,8 +47,6 @@
 	b	dcsw_op_all
 endfunc qemu_max_cluster_pwr_dwn
 
-errata_report_shim qemu_max
-
 	/* ---------------------------------------------
 	 * This function provides cpu specific
 	 * register information for crash reporting.