Revert "scilab: implement enum_var test"

This reverts commit fbe6c132670bf8df72b456f5aaa0de555ce3427d.

It looks like an accidental change to me
Fix ancient merge error

in 75d2abfddb6ed19857c5e1adbe27dd4f3565fce0
Better Scilab workaround for testcase
Run overload_arrays testcase in all languages not just Scilab
Fix ancient bad merge from trunk
Cosmetic test case change
Remove author names - they are in the COPYRIGHT file
Use Insert instead of DohInsertitem
Beautify scilab.cxx