Revert "#211 PMatrix3D from asalga/PMatrix3D"
Revert "#211 PMatrix3D from asalga/PMatrix3D"

This reverts commit f6b2b2014ae8b04c42782bc739de07b6455a16a3.

jaredly/processing-js,jaredly/processing-js,kevinb7/processing-js,annasob/processing-js,guazipi/processing-js,edsfault/Edsfault-processing.js,guazipi/processing-js,annasob/processing-js,jeresig/processing-js,annasob/processing-js,corbanbrook/processing-js,baiyanghese/processing-js,corbanbrook/processing-js,kevinb7/processing-js,edsfault/Edsfault-processing.js,jeresig/processing-js,baiyanghese/processing-js,corbanbrook/processing-js,edsfault/Edsfault-processing.js,dhodgin/processing-js,dhodgin/processing-js