Remove exa.git after install in travis build; prevents test_*.py from being picked up when running pytest
Remove exa.git after install in travis build; prevents test_*.py from being picked up when running pytest

exa-analytics/exatomic,exa-analytics/exatomic,avmarchenko/exatomic,avmarchenko/exatomic,tjduigna/exatomic,alexvmarch/atomic,exa-analytics/atomic,exa-analytics/exatomic,alexvmarch/atomic,avmarchenko/exatomic,tjduigna/exatomic,tjduigna/exatomic,exa-analytics/atomic,exa-analytics/exatomic