Revert "Use a separate function overload for when dynamic log level i… #1483

Job	Run time
build (g++-8, Debug, 17, ubuntu-20.04, ON)	5m 55s
build (g++-8, Release, 17, ubuntu-20.04, ON)	8m 16s
build (g++-10, Debug, 17, ubuntu-20.04, ON)	6m 15s
build (g++-10, Release, 17, ubuntu-20.04, ON)	9m 10s
build (g++-13, Release, 23, ubuntu-20.04, ON, sudo apt -o Acquire::Retries=5 install g++-13)	13m 31s
build (g++-13, Debug, 23, ubuntu-20.04, ON, sudo apt -o Acquire::Retries=5 install g++-13)	9m 16s
build (g++-10, Release, 17, ubuntu-20.04, OFF, -DQUILL_NO_EXCEPTIONS=ON)	1m 44s
build (g++-10, Release, 20, ubuntu-20.04, ON, -DQUILL_USE_VALGRIND=ON, -T memcheck, sudo apt -o A...	18m 23s
build (clang++-12, Release, 20, ubuntu-20.04, ON, -DQUILL_SANITIZE_ADDRESS=ON)	21m 4s
build (clang++-12, Release, 20, ubuntu-20.04, ON, -DQUILL_SANITIZE_THREAD=ON)	15m 47s
	1h 49m 21s

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