Removing headers and source for AmbientLight, Phong, and Lambert

[git-p4: depot-paths = "//Dynamic_Static_Engine/Dynamic_Static_Engine_main/": change = 79]
Refactoring Bloom effect to use shader interface

[git-p4: depot-paths = "//Dynamic_Static_Engine/Dynamic_Static_Engine_main/": change = 80]
Bloom completely refactored to use shader interface

[git-p4: depot-paths = "//Dynamic_Static_Engine/Dynamic_Static_Engine_main/": change = 81]