removed flutter export enviroment sh

example/ios/Flutter/flutter_export_environment.sh

@@ -1,8 +0,0 @@
-#!/bin/sh
-# This is a generated file; do not edit or check into version control.
-export "FLUTTER_ROOT=/Users/rafal.wachol/Utils/flutter"
-export "FLUTTER_APPLICATION_PATH=/Users/rafal.wachol/Utils/github/flutter_webview_plugin/example"
-export "FLUTTER_TARGET=lib/main.dart"
-export "FLUTTER_BUILD_DIR=build"
-export "SYMROOT=${SOURCE_ROOT}/../build/ios"
-export "FLUTTER_FRAMEWORK_DIR=/Users/rafal.wachol/Utils/flutter/bin/cache/artifacts/engine/ios"