remove unnecessary step

Author: bewithgaurav

eng/pipelines/dummy-release-pipeline.yml

@@ -34,7 +34,6 @@ extends:
           - script: |
               python -m pip install --upgrade pip
               pip install -r requirements.txt
-              pip install cmake pybind11
             displayName: 'Install dependencies'
 
           # Generate the symbols for the mssql-python package using build.bat