Remove Java 8 if condition in github.sh (#8091)

#7967

Author: jwren

tool/github.sh

@@ -28,16 +28,6 @@ flutter doctor
 export FLUTTER_SDK=`pwd`/../flutter
 
 echo "IDEA_VERSION=$IDEA_VERSION"
-# TODO(mossmana): https://github.com/flutter/flutter-intellij/issues/7967
-if [ "$IDEA_VERSION" = "4.0" -o "$IDEA_VERSION" = "4.1" ] ; then
-
-  # Install Java 8 if running on 4.0 or 4.1.
-  wget -O- https://apt.corretto.aws/corretto.key | sudo apt-key add -
-  sudo add-apt-repository 'deb https://apt.corretto.aws stable main'
-  sudo apt-get update; sudo apt-get install -y java-1.8.0-amazon-corretto-jdk
-  export PATH=/usr/lib/jvm/java-1.8.0-amazon-corretto/jre/bin:$PATH
-
-fi
 
 echo "java --version"
 java --version