Revert "Revert "refactor: move xmodule folder to root""

xmodule/wrapper_module.py

@@ -0,0 +1,17 @@
+# lint-amnesty, pylint: disable=missing-module-docstring
+# Same as vertical,
+# But w/o css delimiters between children
+
+
+from xmodule.vertical_block import VerticalBlock
+
+# HACK: This shouldn't be hard-coded to two types
+# OBSOLETE: This obsoletes 'type'
+class_priority = ['video', 'problem']
+
+
+class WrapperBlock(VerticalBlock):
+    '''
+    Layout block for laying out sub-blocks vertically *w/o* css delimiters.
+    '''
+    pass  # lint-amnesty, pylint: disable=unnecessary-pass