feat(enums3): add hint comment, remove enums1 hint

exercises/enums/enums1.rs

@@ -1,5 +1,5 @@
 // enums1.rs
-// Make me compile! Execute `rustlings hint enums1` for hints!
+// No hints this time! ;)
 
 // I AM NOT DONE
 

exercises/enums/enums2.rs

@@ -1,5 +1,5 @@
 // enums2.rs
-// Make me compile! Execute `rustlings hint enums2` for hints!
+// Execute `rustlings hint enums2` or use the `hint` watch subcommand for a hint.
 
 // I AM NOT DONE
 

exercises/enums/enums3.rs

@@ -1,5 +1,6 @@
 // enums3.rs
 // Address all the TODOs to make the tests pass!
+// Execute `rustlings hint enums3` or use the `hint` watch subcommand for a hint.
 
 // I AM NOT DONE
 

info.toml

@@ -400,8 +400,7 @@ Have a look in The Book, to find out more about method implementations: https://
 name = "enums1"
 path = "exercises/enums/enums1.rs"
 mode = "compile"
-hint = """
-The declaration of the enumeration type has not been defined yet."""
+hint = "No hints this time ;)"
 
 [[exercises]]
 name = "enums2"