Revert "Fix timing issue with multiple texture units in custom shaders"
Revert "Fix timing issue with multiple texture units in custom shaders"

This reverts commit a7470f2be3d11845f2166a5050fd4b0abbbe137e.

openfl/openfl,openfl/openfl,openfl/openfl,Gama11/openfl,Gama11/openfl,Gama11/openfl,Gama11/openfl