Minimize CI Conda dependencies

Author: gsakkis

.github/workflows/build.yml

@@ -40,18 +40,14 @@ jobs:
     - name: Dependencies
       shell: bash -l {0}
       run: |
-        conda install --yes --quiet -c conda-forge scikit-build numpy python=${{ matrix.python-version }} compilers cython ninja pdal pytest conda-build -y
+        conda install --yes --quiet -c conda-forge scikit-build numpy python=${{ matrix.python-version }} cython pdal pytest
 
     - name: Install
       shell: bash -l {0}
       run: |
         python setup.py install -- -G "Ninja" -DWITH_TESTS=ON
-
         pdal --drivers
 
-
-#        pip install  . --build-option="-DWITH_TESTS=ON"
-
     - name: Test
       shell: bash -l {0}
       run: |
@@ -63,7 +59,6 @@ jobs:
         $SKPATH/pdal_io_numpy_test
         py.test
 
-
   windows:
     name: ${{ matrix.os }} - ${{ matrix.python-version }}
 
@@ -82,18 +77,15 @@ jobs:
         auto-update-conda: true
         python-version: ${{ matrix.python-version }}
 
-
     - name: Dependencies
       shell: cmd /C CALL "{0}"
       run: |
-
         call conda activate test
-        conda install --yes --quiet -c conda-forge scikit-build numpy python=${{ matrix.python-version }} compilers cython ninja pdal pytest conda-build -y
+        conda install --yes --quiet -c conda-forge scikit-build numpy python=${{ matrix.python-version }} cython pdal pytest
 
     - name: Install
       shell: cmd /C CALL "{0}"
       run: |
-
         call conda activate test
         where python
         python setup.py develop -- -G "Ninja" -DWITH_TESTS=ON
@@ -133,7 +125,7 @@ jobs:
     - name: Dependencies
       shell: bash -l {0}
       run: |
-        conda install --yes --quiet -c conda-forge scikit-build numpy python=${{ matrix.python-version }} compilers cython ninja pdal pytest conda-build -y
+        conda install --yes --quiet -c conda-forge scikit-build numpy python=${{ matrix.python-version }} cython pdal pytest
 
     - name: sdist
       shell: bash -l {0}