Revert "add assertion for ASRelativeDimensionTypePercent value to be between 0-1 (#2009)"
Revert "add assertion for ASRelativeDimensionTypePercent value to be between 0-1 (#2009)"

This reverts commit ff2c47c415ce4019db0c44598980d46073f2badd.

Reverting for 6.9 as this is currently incompatible with Pinterest.

bimawa/AsyncDisplayKit,bimawa/AsyncDisplayKit,bimawa/AsyncDisplayKit,bimawa/AsyncDisplayKit