Replace list.List with slices (#16311)

* Replaced list with slice.

* Fixed usage of pointer to temporary variable.

* Replaced LIFO list with slice.

* Lint

* Removed type check.

* Removed duplicated code.

* Lint

* Fixed merge.

Co-authored-by: 6543 <6543@obermui.de>

modules/git/repo_commit_test.go

@@ -97,6 +97,6 @@ func TestRepository_CommitsBetweenIDs(t *testing.T) {
 	for i, c := range cases {
 		commits, err := bareRepo1.CommitsBetweenIDs(c.NewID, c.OldID)
 		assert.NoError(t, err)
-		assert.Equal(t, c.ExpectedCommits, commits.Len(), "case %d", i)
+		assert.Equal(t, c.ExpectedCommits, len(commits), "case %d", i)
 	}
 }