0878f94650
Dr Memory is no longer used and the symlink in third_party was accidentally added in https://codereview.webrtc.org/2399373002 TBR=philipel@webrtc.org BUG=webrtc:5006 Review-Url: https://codereview.webrtc.org/2578463003 . Cr-Commit-Position: refs/heads/master@{#15603}