Remove everything but markdown from third_party

third_party/pkg/di/scripts/travis/setup.sh

Index: third_party/pkg/di/scripts/travis/setup.sh
diff --git a/third_party/pkg/di/scripts/travis/setup.sh b/third_party/pkg/di/scripts/travis/setup.sh
deleted file mode 100755
index 4e13289d133aa51e8608641f60a914d441b3050d..0000000000000000000000000000000000000000
--- a/third_party/pkg/di/scripts/travis/setup.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/bin/bash
-
-set -e
-
-case $( uname -s ) in
-  Linux)
-    DART_SDK_ZIP=dartsdk-linux-x64-release.zip
-    ;;
-  Darwin)
-    DART_SDK_ZIP=dartsdk-macos-x64-release.zip
-    ;;
-esac
-
-CHANNEL=`echo $JOB | cut -f 2 -d -`
-echo Fetch Dart channel: $CHANNEL
-
-echo http://storage.googleapis.com/dart-archive/channels/$CHANNEL/release/latest/sdk/$DART_SDK_ZIP
-curl http://storage.googleapis.com/dart-archive/channels/$CHANNEL/release/latest/sdk/$DART_SDK_ZIP > $DART_SDK_ZIP
-echo Fetched new dart version $(unzip -p $DART_SDK_ZIP dart-sdk/version)
-rm -rf dart-sdk
-unzip $DART_SDK_ZIP > /dev/null
-rm $DART_SDK_ZIP
-
-echo =============================================================================
-. ./scripts/env.sh
-$DART --version
-$PUB install