Only count user-assigned tags for TagLimitExceeded
Only count user-assigned tags for TagLimitExceeded

According to
http://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/allocation-tag-restrictions.html
"Reserved prefix—aws:
AWS-assigned tag names and values are automatically assigned the aws:
prefix, which the user cannot assign. AWS-assigned tag names do not
count towards the tag limit of 10. User-assigned tag names have the
prefix user: in the Cost Allocation Report."

Affirm/moto,mrucci/moto,2rs2ts/moto,spulec/moto,spulec/moto,2rs2ts/moto,silveregg/moto,gjtempleton/moto,william-richard/moto,ZuluPro/moto,ZuluPro/moto,william-richard/moto,gjtempleton/moto,dbfr3qs/moto,2rs2ts/moto,whummer/moto,Brett55/moto,heddle317/moto,gjtempleton/moto,botify-labs/moto,Brett55/moto,rocky4570/moto,Affirm/moto,okomestudio/moto,rocky4570/moto,heddle317/moto,kefo/moto,kefo/moto,okomestudio/moto,gjtempleton/moto,Affirm/moto,ZuluPro/moto,im-auld/moto,william-richard/moto,okomestudio/moto,spulec/moto,kefo/moto,spulec/moto,braintreeps/moto,whummer/moto,botify-labs/moto,tootedom/moto,okomestudio/moto,rocky4570/moto,botify-labs/moto,william-richard/moto,Brett55/moto,spulec/moto,Brett55/moto,kefo/moto,heddle317/moto,whummer/moto,2rs2ts/moto,okomestudio/moto,Brett55/moto,okomestudio/moto,IlyaSukhanov/moto,william-richard/moto,botify-labs/moto,dbfr3qs/moto,botify-labs/moto,rocky4570/moto,rocky4570/moto,Brett55/moto,dbfr3qs/moto,riccardomc/moto,whummer/moto,whummer/moto,Affirm/moto,2rs2ts/moto,gjtempleton/moto,botify-labs/moto,dbfr3qs/moto,Affirm/moto,dbfr3qs/moto,heddle317/moto,whummer/moto,dbfr3qs/moto,ZuluPro/moto,kefo/moto,heddle317/moto,Affirm/moto,ZuluPro/moto,ZuluPro/moto,william-richard/moto,spulec/moto,rocky4570/moto