take RRUFF importer out due to self-test problem

Author: briantoby

GSASII/imports/__init__.py

@@ -17,7 +17,7 @@
 from . import G2phase_GPX
 from . import G2phase_INS
 from . import G2phase_rmc6f
-from . import G2phase_RRUFF
+#from . import G2phase_RRUFF
 from . import G2phase_xyz
 from . import G2pwd_BrukerBRML
 from . import G2pwd_BrukerRAW