Unify task name: 'Pick up the left cup and put it down'

data/chunk-000/file-000.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:137834ff720c622798a5b9f643c07cefd9eed7d90eb4d18b8d60e825956ad65e
-size 1242724
+oid sha256:b63ce6e7b975527f4672788f03566661dd5c60e49b8a1432cd0b2892f862f6a5
+size 716076

meta/episodes/chunk-000/file-000.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:78fb906f6b97bf9babe4e04a7a6a627115feb8b31be1bfb02120b6585bd3823b
-size 188764
+oid sha256:7a3ded1ab30623fe45662892a3113b95fbdcd7efefea9e6c029f89012e801de1
+size 188332

meta/info.json

@@ -126,7 +126,7 @@
     },
     "total_episodes": 67,
     "total_frames": 25663,
-    "total_tasks": 2,
+    "total_tasks": 1,
     "chunks_size": 1000,
     "data_files_size_in_mb": 100,
     "video_files_size_in_mb": 200,

meta/tasks.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:e826346ee827650d04c38e13c61c105200029db811a279223c32ce9b269c543a
-size 2181
+oid sha256:2052d1b224e2bf0766a853eb401be2ba5f1e1afec100302356197662bc7b21dc
+size 2170