CMake updates from @slurps-mad-rips

.ci/azure-build.yml

@@ -2,7 +2,7 @@ steps:
 
 - task: CMake@1
   inputs:
-    cmakeArgs: .. -DCLI11_WARNINGS_AS_ERRORS=ON -DCLI11_SINGLE_FILE=$(cli11.single) -DCLI11_CXX_STD=$(cli11.std) -DCLI11_SINGLE_FILE_TESTS=$(cli11.single) -DCMAKE_BUILD_TYPE=$(cli11.build_type) $(cli11.options)
+    cmakeArgs: .. -DCLI11_WARNINGS_AS_ERRORS=ON -DCLI11_SINGLE_FILE=$(cli11.single) -DCMAKE_CXX_STANDARD=$(cli11.std) -DCLI11_SINGLE_FILE_TESTS=$(cli11.single) -DCMAKE_BUILD_TYPE=$(cli11.build_type) $(cli11.options)
   displayName: 'Configure'
 
 - script: cmake --build .

.ci/make_and_test.sh

@@ -8,7 +8,7 @@ set -evx
 
 mkdir -p build
 cd build
-cmake .. -DCLI11_WARNINGS_AS_ERRORS=ON -DCLI11_SINGLE_FILE=ON -DCLI11_CXX_STD=$STD -DCLI11_SINGLE_FILE_TESTS=ON -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_COMPILER_LAUNCHER=ccache $@
+cmake .. -DCLI11_WARNINGS_AS_ERRORS=ON -DCLI11_SINGLE_FILE=ON -DCMAKE_CXX_STANDARD=$STD -DCLI11_SINGLE_FILE_TESTS=ON -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_COMPILER_LAUNCHER=ccache $@
 cmake --build . -- -j2
 
 set +evx

.gitmodules

@@ -1,9 +1,3 @@
 [submodule "extern/googletest"]
 	path = extern/googletest
 	url = ../../google/googletest.git
-[submodule "extern/sanitizers"]
-	path = extern/sanitizers
-	url = ../../arsenm/sanitizers-cmake
-[submodule "extern/json"]
-	path = extern/json
-	url = ../../nlohmann/json.git