The concept's been tried for what, 30 years? More?
The Tomahawk (and his buddies) still has the advantage of not being defeated by $1 smoke grenade. Not to mention old adage of "all-weather fire support not working in bad weather".
Besides, the EF of energy transfer through atmosphere via lasers is just appalling, which creates it's own set of practical problems (awkward power requirements, heat generation and so on). Weapons history knows countless multitudes of x-weapons that produced nice show but never quite made it to the line.