fix(mte): remove deprecated CTX_INCLUDE_MTE_REGS/FEAT_MTE

Remove all instances of macros CTX_INCLUDE_MTE_REGS and FEAT_MTE
since these have been deprecated in v2.11

Change-Id: I7838a865755326f03668e43768140929a2d9e418
Signed-off-by: Sona Mathew <sonarebecca.mathew@arm.com>
diff --git a/docs/about/release-information.rst b/docs/about/release-information.rst
index 7fe58f8..2ec05e7 100644
--- a/docs/about/release-information.rst
+++ b/docs/about/release-information.rst
@@ -111,9 +111,9 @@
 +-----------------------+--------------------------------+
 | Build Option          | Deprecated from TF-A Version   |
 +=======================+================================+
-| CTX_INCLUDE_MTE_REGS  | 2.11                           |
+|                       |                                |
 +-----------------------+--------------------------------+
-| ENABLE_FEAT_MTE       | 2.11                           |
+|                       |                                |
 +-----------------------+--------------------------------+
 
 --------------
diff --git a/docs/components/secure-partition-manager.rst b/docs/components/secure-partition-manager.rst
index 220c3ce..a181204 100644
--- a/docs/components/secure-partition-manager.rst
+++ b/docs/components/secure-partition-manager.rst
@@ -110,7 +110,7 @@
 - Only Arm's FVP platform is supported to use with the TF-A reference software
   stack.
 - When ``SPMD_SPM_AT_SEL2=1``, the reference software stack assumes enablement
-  of FEAT_PAuth, FEAT_BTI and FEAT_MTE architecture extensions.
+  of FEAT_PAuth, FEAT_BTI and FEAT_MTE2 architecture extensions.
 - ``(*) CTX_INCLUDE_EL2_REGS``, this flag is |TF-A| internal and informational
   in this table. When set, it provides the generic support for saving/restoring
   EL2 registers required when S-EL2 firmware is present.
diff --git a/make_helpers/arch_features.mk b/make_helpers/arch_features.mk
index 675779f..60d6249 100644
--- a/make_helpers/arch_features.mk
+++ b/make_helpers/arch_features.mk
@@ -307,13 +307,6 @@
 # registers, by setting SCR_EL3.TRNDR.
 ENABLE_FEAT_RNG_TRAP			?=	0
 
-ifeq ($(CTX_INCLUDE_MTE_REGS),1)
-        $(warning CTX_INCLUDE_MTE_REGS option is deprecated, Check ENABLE_FEAT_MTE2 usage)
-endif
-ifneq ($(ENABLE_FEAT_MTE),)
-        $(warning ENABLE_FEAT_MTE option is deprecated, Check ENABLE_FEAT_MTE2 usage)
-endif
-
 # Enable FEAT_MTE2. This must be set to 1 if the platform wants
 # to use this feature and is enabled at ELX.
 ENABLE_FEAT_MTE2		        ?=	0