remove coverage job from azure-pipeline as it is now in a self-contained action

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

azure-pipelines.yml

@@ -5,7 +5,6 @@ variables:
   cmakeNet: '-DZ3_BUILD_DOTNET_BINDINGS=True'
   cmakePy:  '-DZ3_BUILD_PYTHON_BINDINGS=True'
   cmakeStdArgs: '-DZ3_BUILD_DOTNET_BINDINGS=True -DZ3_BUILD_JAVA_BINDINGS=True -DZ3_BUILD_PYTHON_BINDINGS=True -G "Ninja" ../'
-  cmakeCovArgs: '-DCMAKE_INSTALL_PREFIX=./install -G "Ninja" ../'
   asanEnv: 'CXXFLAGS="${CXXFLAGS} -fsanitize=address -fno-omit-frame-pointer" CFLAGS="${CFLAGS} -fsanitize=address -fno-omit-frame-pointer"'
   ubsanEnv: 'CXXFLAGS="${CXXFLAGS} -fsanitize=undefined" CFLAGS="${CFLAGS} -fsanitize=undefined"'
   msanEnv: 'CC=clang LDFLAGS="-L../libcxx/libcxx_msan/lib -lc++abi -Wl,-rpath=../libcxx/libcxx_msan/lib" CXX=clang++ CXXFLAGS="${CXXFLAGS} -stdlib=libc++ -fsanitize-memory-track-origins -fsanitize=memory -fPIE -fno-omit-frame-pointer -g -O2" CFLAGS="${CFLAGS} -stdlib=libc -fsanitize=memory -fsanitize-memory-track-origins -fno-omit-frame-pointer -g -O2"'
@@ -152,29 +151,6 @@ jobs:
       - template: scripts/test-regressions.yml
          
 
-- job: "Ubuntu16CMakeCoverage"
-  displayName: "Ubuntu build - cmake w/ coverage"
-  pool:
-    vmImage: "ubuntu-latest"
-  steps:
-    - script: sudo apt-get install ninja-build 
-    - script: |
-        set -e
-        mkdir build
-        cd build
-        CXXFLAGS=--coverage LDFLAGS=-lgcov CC=clang CXX=clang++ cmake -DCMAKE_BUILD_TYPE=Debug $(cmakeCovArgs)
-        ninja
-        ninja test-z3
-        ninja install
-        cd ..
-    - script: |
-         cd build
-         ./test-z3 -a
-         cd ..
-    - template: scripts/test-examples-cmake.yml
-    - template: scripts/test-regressions-coverage.yml
-         
-
 - job: "WindowsLatest"
   displayName: "Windows"
   pool: