Deleted unused files
changes

Merge branch 'master' of https://github.com/OHI-Science/ohimanual

Conflicts:
	tutorials/toolbox_manual PO/Step_1_Toolbox_Overview.md
Merge branch 'master' of https://github.com/OHI-Science/ohimanual

Conflicts:
tutorials/toolbox_manual PO/Step_1_Toolbox_Overview.md
Merge branch 'master' of https://github.com/OHI-Science/ohimanual