Merge pull request #444 from per1234/update-tutorial-permissions

Remove "Create" permission for TL2 in "Introductory Tutorials" category

Author: per1234

content/categories/using-arduino/introductory-tutorials/README.md

@@ -5,7 +5,6 @@
 | Group         | See | Reply | Create |
 | ------------- | --- | ----- | ------ |
 | everyone      | ✓   | ✓     |        |
-| trust_level_2 | ✓   | ✓     | ✓      |
 | trust_level_3 | ✓   | ✓     | ✓      |
 | trust_level_4 | ✓   | ✓     | ✓      |