Remove stale video files from the previous Noise/ version

Noise/videos/observation.images.camera_0/chunk-000/file-001.mp4

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4b9ed8f6429ac19ee84be2dff6dbc6a8942778c0687ca3646fb8c9cfd63b7511
-size 209143256

Noise/videos/observation.images.camera_0/chunk-000/file-002.mp4

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7d8f8d8c74665c2481f93b00deb200cfe8780cf4953f1ee43a6f5fc8422eaf6e
-size 113346118

Noise/videos/observation.images.camera_1/chunk-000/file-001.mp4

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b515fa289b5a75cdc2d84229df0c83940f83f0fc08a6957a9f16d6418d61aadb
-size 208149763

Noise/videos/observation.images.camera_1/chunk-000/file-002.mp4

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:f79b0c9a0abb6efa92a0b5b16c86d8c072152d6426c6dc2c5ae920700ffcc00a
-size 108290869