Merge pull request dotnet/coreclr#10153 from adityamandaleeka/remove_stress_thread

Remove STRESS_THREAD

Commit migrated from https://github.com/dotnet/coreclr/commit/2ca9cec2d982162ab4f43d1136d0c67de57387cc

diff --cc src/coreclr/src/vm/assembly.cpp
Simple merge

diff --cc src/coreclr/src/vm/eeconfig.cpp
Simple merge

diff --cc src/coreclr/src/vm/eeconfig.h
Simple merge

diff --cc src/coreclr/src/vm/threads.cpp
Simple merge

diff --cc src/coreclr/src/vm/threads.h
Simple merge