Merge pull request #11700 from BruceForstall/CleanupGTFlags

Un-clang-format GTF_ flags

diff --cc src/jit/codegenlegacy.cpp
Simple merge

diff --cc src/jit/codegenxarch.cpp
Simple merge

diff --cc src/jit/compiler.cpp
Simple merge

diff --cc src/jit/flowgraph.cpp
Simple merge

diff --cc src/jit/gentree.cpp
Simple merge

diff --cc src/jit/morph.cpp
Simple merge