Merge branch 'submodule-delete' into 'develop'

Deleted Git submodule for moose

Closes #5

See merge request !20

.gitmodules

-[submodule "src/moose"]
-	path = moose
-	url = https://github.com/idaholab/moose.git

moose @ f6ab5476

-Subproject commit f6ab547698e50b61d70f3685666bbb43b81d7d62