[V0.10] Remove xrdp_sec_in_mcs_data() function #2177

Job	Run time
cppcheck	4m 5s
code formatting check	26s
min features with gcc	2m 11s
min features with g++	2m 14s
min features with clang	2m 30s
max features with gcc	3m 15s
max features with g++	2m 24s
max features with clang	5m 56s
max features with gcc and DEBUG	2m 23s
max features with gcc for 32-bit arch (legacy OS)	1m 38s
max features with g++ for 32-bit arch (legacy OS)	1m 25s
max features with clang for 32-bit arch (legacy OS)	1m 49s
	30m 16s

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