Revert "FreeRTOS SMP: direct access to current TCB inside stack macro… #2972

Job	Run time
WIN32 MingW	3m 22s
Native GCC (macos-latest)	3m 18s
WIN32 MSVC	3m 13s
Native GCC (ubuntu-latest)	1m 38s
GCC MicroBlaze Toolchain	2m 54s
CMake Example with Native GCC	17s
GNU ARM Toolchain	1m 57s
GNU MSP430 Toolchain	2m 9s
	18m 48s

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