added remove() method to schema pool
added remove() method to schema pool

[git-p4: depot-paths = "//open/mondrian/": change = 278]

sayanh/mondrian,wetet2/mondrian,openedbox/mondrian,truvenganong/mondrian,mustangore/mondrian,Seiferxx/mondrian,OSBI/mondrian,preisanalytics/mondrian,pentaho/mondrian,sayanh/mondrian,nextelBIS/mondrian,pedrofvteixeira/mondrian,Seiferxx/mondrian,julianhyde/mondrian,julianhyde/mondrian,cesarmarinhorj/mondrian,cocosli/mondrian,pedrofvteixeira/mondrian,ivanpogodin/mondrian,nextelBIS/mondrian,mustangore/mondrian,pedrofvteixeira/mondrian,nextelBIS/mondrian,citycloud-bigdata/mondrian,mdamour1976/mondrian,pentaho/mondrian,Seiferxx/mondrian,ivanpogodin/mondrian,dkincade/mondrian,truvenganong/mondrian,rfellows/mondrian,OSBI/mondrian,preisanalytics/mondrian,stiberger/mondrian,pentaho/mondrian,stiberger/mondrian,mustangore/mondrian,cocosli/mondrian,syncron/mondrian,bmorrise/mondrian,ivanpogodin/mondrian,mdamour1976/mondrian,OSBI/mondrian,openedbox/mondrian,sayanh/mondrian,AvinashPD/mondrian,stiberger/mondrian,cesarmarinhorj/mondrian,openedbox/mondrian,preisanalytics/mondrian,lgrill-pentaho/mondrian,bmorrise/mondrian,rfellows/mondrian,lgrill-pentaho/mondrian,syncron/mondrian,lgrill-pentaho/mondrian,truvenganong/mondrian,citycloud-bigdata/mondrian,cocosli/mondrian,citycloud-bigdata/mondrian,dkincade/mondrian,mdamour1976/mondrian,AvinashPD/mondrian,syncron/mondrian,AvinashPD/mondrian,bmorrise/mondrian,dkincade/mondrian,wetet2/mondrian,cesarmarinhorj/mondrian,wetet2/mondrian