Make urInit and urTearDown loader-only #2063

Job	Run time
Build - MacOS (macos-12)	7m 12s
Build - MacOS (macos-13)	4m 27s
Build - Windows (windows-2019, Debug)	6m 59s
Build - Windows (windows-2019, Release)	6m 26s
Build - Windows (windows-2022, Debug)	2m 36s
Build - Windows (windows-2022, Release)	1s
Build - Ubuntu (ubuntu-20.04, Debug, gcc, g++, -DVAL_USE_LIBBACKTRACE_BACKTRACE=OFF, -DUMF_ENABLE...	12m 37s
Build - Ubuntu (ubuntu-20.04, Debug, gcc, g++, -DVAL_USE_LIBBACKTRACE_BACKTRACE=OFF, -DUMF_ENABLE...	11m 9s
Build - Ubuntu (ubuntu-20.04, Release, gcc, g++, -DVAL_USE_LIBBACKTRACE_BACKTRACE=OFF, -DUMF_ENAB...	10m 53s
Build - Ubuntu (ubuntu-20.04, Release, gcc, g++, -DVAL_USE_LIBBACKTRACE_BACKTRACE=OFF, -DUMF_ENAB...	14m 39s
Build - Ubuntu (ubuntu-22.04, Debug, gcc, g++, -DVAL_USE_LIBBACKTRACE_BACKTRACE=OFF, -DUMF_ENABLE...	9m 35s
Build - Ubuntu (ubuntu-22.04, Debug, gcc, g++, -DVAL_USE_LIBBACKTRACE_BACKTRACE=OFF, -DUMF_ENABLE...	12m 46s
Build - Ubuntu (ubuntu-22.04, Release, gcc, g++, -DVAL_USE_LIBBACKTRACE_BACKTRACE=OFF, -DUMF_ENAB...	11m 40s
Build - Ubuntu (ubuntu-22.04, Release, gcc, g++, -DVAL_USE_LIBBACKTRACE_BACKTRACE=OFF, -DUMF_ENAB...	10m 32s
Build - Ubuntu (ubuntu-22.04, Release, clang, clang++, -DVAL_USE_LIBBACKTRACE_BACKTRACE=OFF)	10m 10s
Build - Ubuntu (ubuntu-22.04, Release, gcc, g++, -DVAL_USE_LIBBACKTRACE_BACKTRACE=ON)	12m 32s
Build - Ubuntu (ubuntu-22.04, Release, clang, clang++, -DVAL_USE_LIBBACKTRACE_BACKTRACE=ON)	14m 3s
Build - Ubuntu (ubuntu-20.04, Release, gcc-7, g++-7)	11m 32s
	2h 49m 49s

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