delete dangling fixed attribute in constraints
delete dangling fixed attribute in constraints

jameshensman/GPy,SheffieldML/GPy,beckdaniel/GPy,esiivola/GPYgradients,jameshensman/GPy,buntyke/GPy,SheffieldML/GPy,strongh/GPy,avehtari/GPy,esiivola/GPYgradients,fivejjs/GPy,dhhjx880713/GPy,jameshensman/GPy,esiivola/GPYgradients,Dapid/GPy,ysekky/GPy,jameshensman/GPy,SheffieldML/GPy,maaskola/GPy,TianpeiLuke/GPy,ptonner/GPy,esiivola/GPYgradients,maaskola/GPy,PredictiveScienceLab/GPy,befelix/GPy,PredictiveScienceLab/GPy,beckdaniel/GPy,gusmaogabriels/GPy,AlexGrig/GPy,dhhjx880713/GPy,Dapid/GPy,maaskola/GPy,ysekky/GPy,gusmaogabriels/GPy,mikecroucher/GPy,befelix/GPy,mikecroucher/GPy,ptonner/GPy,Dapid/GPy,gusmaogabriels/GPy,strongh/GPy,buntyke/GPy,buntyke/GPy,SheffieldML/GPy,ptonner/GPy,befelix/GPy,mikecroucher/GPy,Dapid/GPy,befelix/GPy,strongh/GPy,mikecroucher/GPy,AlexGrig/GPy,dhhjx880713/GPy,ptonner/GPy,dhhjx880713/GPy,avehtari/GPy,PredictiveScienceLab/GPy,avehtari/GPy,fivejjs/GPy,fivejjs/GPy,beckdaniel/GPy,maaskola/GPy,beckdaniel/GPy,PredictiveScienceLab/GPy,buntyke/GPy,AlexGrig/GPy,TianpeiLuke/GPy,TianpeiLuke/GPy,avehtari/GPy,AlexGrig/GPy,ysekky/GPy,ysekky/GPy