Remove 1-D full-scale tests.

Removed support for 1-D simulations.
Removed 1-D materials.

Updated material unit tests to use plane strain material rather than 1-D
material.
Removed 1-D full-scale tests.
Removed 1-D bc libtests.
Removed obsolete unit test files.
Removed 1-D fault test data.
Removed 1-D meshio tests.
Merge branch 'baagaard/remove-1d'

* baagaard/remove-1d:
  Removed 1-D meshio tests.
  Removed 1-D fault test data.
  Removed obsolete unit test files.
  Removed 1-D bc libtests.
  Removed 1-D full-scale tests.
  Removed 1-D materials.
  Remove 1-D full-scale tests.