Revert "fix(generic form): add validation for Integer variable value field"

This reverts commit 287d2eb1d050c9342b83c8a7f39c8867b9ce50f5.
Revert "impr(generic form): add some basic validation of variable names and values"

This reverts commit 6a9576f0aa63eda03f389edfaec550851f92c716.