Remove complex types from allowed ECSV datatypes [skip ci]
Remove complex types from allowed ECSV datatypes [skip ci]

StuartLittlefair/astropy,saimn/astropy,pllim/astropy,larrybradley/astropy,pllim/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,larrybradley/astropy,astropy/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,mhvk/astropy,mhvk/astropy,mhvk/astropy,mhvk/astropy,astropy/astropy,pllim/astropy,saimn/astropy,lpsinger/astropy,aleksandr-bakanov/astropy,mhvk/astropy,lpsinger/astropy,astropy/astropy,lpsinger/astropy,astropy/astropy,StuartLittlefair/astropy,pllim/astropy,lpsinger/astropy,saimn/astropy,larrybradley/astropy,StuartLittlefair/astropy,lpsinger/astropy,saimn/astropy,saimn/astropy,pllim/astropy,StuartLittlefair/astropy,astropy/astropy