remove python2 reference in the scripts

Author: Cynthia Jiang

README.md

@@ -36,7 +36,7 @@ Home brew can be used to install required dependencies:
 # https://github.com/protocolbuffers/protobuf/blob/master/kokoro/macos/prepare_build_macos_rc#L20
 ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
 source $HOME/.rvm/scripts/rvm
-brew install cmake protobuf python2 mono swig@3
+brew install cmake protobuf python mono swig
 sudo chown -R $(whoami) /usr/local
 
 export PATH="/usr/local/opt/swig@3/bin:$PATH"

build_android.sh

@@ -80,7 +80,7 @@ mkdir -p android_build
 pushd android_build
 
 # Configure cmake with option value
-cmake .. ${CMAKE_OPTIONS} -DANDROID_ABI=armeabi-v7a
+cmake .. ${CMAKE_OPTIONS}
 check_exit_code $?
 
 # Build the SDK

build_package.py

@@ -14,7 +14,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Lint as: python2
 """Packages zip files from unity builds into unity packages.
 
 Takes packages produced from the unity sdk builds i.e.:

scripts/update_versions.py

@@ -14,7 +14,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# Lint as: python2
 """Update the version numbers in cmake/firebase_unity_version.cmake.
 
 To use locally, make sure call following installation first.