forgot to commit this: qform.h is not used anymore
forgot to commit this: qform.h is not used anymore

--HG--
extra : rebase_source : af0ff77a26e65953275918480f7782ee1329ef54

rotorliu/eigen,madlib/eigen_backup,rotorliu/eigen,mjbshaw/Eigen,madlib/eigen_backup,madlib/eigen_backup,mjbshaw/Eigen,madlib/eigen_backup,mjbshaw/Eigen,rotorliu/eigen,rotorliu/eigen,mjbshaw/Eigen