Clean up and unify exercises

4 files changed, 0 insertions, 20 deletions

diff --git a/exercises/21_macros/macros1.rs b/exercises/21_macros/macros1.rs
index 65986db..1d415cb 100644
--- a/exercises/21_macros/macros1.rs
+++ b/exercises/21_macros/macros1.rs
@@ -1,8 +1,3 @@
-// macros1.rs
-//
-// Execute `rustlings hint macros1` or use the `hint` watch subcommand for a
-// hint.
-
 macro_rules! my_macro {
     () => {
         println!("Check out my macro!");
diff --git a/exercises/21_macros/macros2.rs b/exercises/21_macros/macros2.rs
index b7c37fd..f16712b 100644
--- a/exercises/21_macros/macros2.rs
+++ b/exercises/21_macros/macros2.rs
@@ -1,8 +1,3 @@
-// macros2.rs
-//
-// Execute `rustlings hint macros2` or use the `hint` watch subcommand for a
-// hint.
-
 fn main() {
     my_macro!();
 }
diff --git a/exercises/21_macros/macros3.rs b/exercises/21_macros/macros3.rs
index 92a1922..405c397 100644
--- a/exercises/21_macros/macros3.rs
+++ b/exercises/21_macros/macros3.rs
@@ -1,9 +1,4 @@
-// macros3.rs
-//
 // Make me compile, without taking the macro out of the module!
-//
-// Execute `rustlings hint macros3` or use the `hint` watch subcommand for a
-// hint.
 
 mod macros {
     macro_rules! my_macro {
diff --git a/exercises/21_macros/macros4.rs b/exercises/21_macros/macros4.rs
index 83a6e44..03ece08 100644
--- a/exercises/21_macros/macros4.rs
+++ b/exercises/21_macros/macros4.rs
@@ -1,8 +1,3 @@
-// macros4.rs
-//
-// Execute `rustlings hint macros4` or use the `hint` watch subcommand for a
-// hint.
-
 #[rustfmt::skip]
 macro_rules! my_macro {
     () => {