Remove BlFontSize?

[tinchodias]

Bloc-Text pacjage extends Number as shown here:

These methods are unsend and the class is unreferenced.

Additionally, the superclass of BlFontSize is BlValueWithUnit and this works on collaboration with a hierarchy of units:

Instead of removing them... This could be a base for features we mentioned recently with @labordep or @ELePors or maybe @Nyan11

[labordep]

@tinchodias it should be great to choose the font unit, actually we are converting our size from pt to px or from em to px and this is not practice because there is always some difference with the original design (for example in Figma or Illustrator), I don't know why, may be due to OS/UI/Font, etc. I don't know how to do better for that.