no :: in func decls

examples/programs/enums/animals/animals.bro

@@ -3,6 +3,6 @@ Animal :: enum {
 	cat
 }
 
-favorite :: func() Animal {
+favorite func() Animal {
 	return .cat
 }

examples/programs/enums/main.bro

@@ -8,15 +8,15 @@ State :: enum(u16) {
 
 initial State :: State.started
 
-same :: func(left State, right State) bool {
+same func(left State, right State) bool {
 	return left == right
 }
 
-identity :: c_func(value State) State {
+identity c_func(value State) State {
 	return value
 }
 
-main :: func() i32 {
+main func() i32 {
 	state State = identity(.running)
 	values [2]State :: [.started, State.stopped]
 	animal animals.Animal :: animals.Animal.dog