add: remove file (#9548)

* add: remove `file`

Follow up to #9547.

* Update add.py

* fix tests

tests/func/test_add.py

@@ -645,10 +645,10 @@ def test_add_from_data_dir(tmp_dir, scm, dvc):
 def test_add_parent_dir(tmp_dir, scm, dvc):
     tmp_dir.gen({"dir": {"file1": "file1 content"}})
     out_path = os.path.join("dir", "file1")
-    dvc.add(out_path, file=out_path + ".dvc")
+    dvc.add(out_path)
 
     with pytest.raises(OverlappingOutputPathsError) as e:
-        dvc.add("dir", file="dir.dvc")
+        dvc.add("dir")
     assert str(e.value) == (
         "Cannot add 'dir', because it is overlapping with other DVC "
         "tracked output: '{out}'.\n"

tests/func/test_move.py

@@ -1,4 +1,5 @@
 import os
+import shutil
 import textwrap
 
 import pytest
@@ -138,10 +139,10 @@ def test_move_should_save_stage_info(tmp_dir, dvc):
 
 
 def test_should_move_to_dir_on_non_default_stage_file(tmp_dir, dvc):
-    stage_file_name = "stage.dvc"
     tmp_dir.gen({"file": "file_content"})
 
-    dvc.add("file", file=stage_file_name)
+    dvc.add("file")
+    shutil.move("file.dvc", "stage.dvc")
     os.mkdir("directory")
 
     dvc.move("file", "directory")