toolchain: Remove toolchain reset magic

Removed compiler/linker reset magic for IAR and Armclang.
It is not necessary in the split build.

Signed-off-by: Dávid Házi <david.hazi@arm.com>
Change-Id: I03cc11595764c6219ab9cd684d512bff3bd985d2
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 59d1ca0..4107548 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 #-------------------------------------------------------------------------------
-# Copyright (c) 2020-2023, Arm Limited. All rights reserved.
+# Copyright (c) 2020-2024, Arm Limited. All rights reserved.
 # Copyright (c) 2022 Cypress Semiconductor Corporation (an Infineon company)
 # or an affiliate of Cypress Semiconductor Corporation. All rights reserved.
 #
@@ -38,7 +38,6 @@
 set(CMAKE_CXX_COMPILER_FORCED true)
 
 project("Trusted Firmware M" VERSION ${TFM_VERSION} LANGUAGES C CXX ASM)
-tfm_toolchain_reload_compiler()
 
 add_subdirectory(lib/backtrace)
 add_subdirectory(lib/ext)