Remove everything but markdown from third_party

third_party/pkg/di/scripts/env.sh

Index: third_party/pkg/di/scripts/env.sh
diff --git a/third_party/pkg/di/scripts/env.sh b/third_party/pkg/di/scripts/env.sh
deleted file mode 100644
index c7473463493d204c05bb93703d8ab64426b62035..0000000000000000000000000000000000000000
--- a/third_party/pkg/di/scripts/env.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/sh
-set -e
-
-if [ -n "$DART_SDK" ]; then
-    DARTSDK=$DART_SDK
-else
-    echo "sdk=== $DARTSDK"
-    DART=`which dart|cat` # pipe to cat to ignore the exit code
-    DARTSDK=`which dart | sed -e 's/\/bin\/dart$/\//'`
-    if [ -z "$DARTSDK" ]; then
-        DARTSDK="`pwd`/dart-sdk"
-    fi
-fi
-
-export DART_SDK="$DARTSDK"
-export DART=${DART:-"$DARTSDK/bin/dart"}
-export PUB=${PUB:-"$DARTSDK/bin/pub"}
-export DARTANALYZER=${DARTANALYZER:-"$DARTSDK/bin/dartanalyzer"}
-export DARTDOC=${DARTDOC:-"$DARTSDK/bin/dartdoc"}
-
-
-export DART_FLAGS='--enable_type_checks --enable_asserts'
-export PATH=$PATH:$DARTSDK/bin