feat(if): replace hints

exercises/if/README.md

@@ -1,6 +1,6 @@
 # If
 
-`if`, the most basic type of control flow, is what you'll learn here.
+`if`, the most basic (but still surprisingly versatile!) type of control flow, is what you'll learn here.
 
 ## Further information
 

exercises/if/if1.rs

@@ -1,4 +1,5 @@
 // if1.rs
+// Execute `rustlings hint if1` or use the `hint` watch subcommand for a hint.
 
 // I AM NOT DONE
 
@@ -7,7 +8,6 @@ pub fn bigger(a: i32, b: i32) -> i32 {
     // Do not use:
     // - another function call
     // - additional variables
-    // Execute `rustlings hint if1` for hints
 }
 
 // Don't mind this for now :)

exercises/if/if2.rs

@@ -2,7 +2,7 @@
 
 // Step 1: Make me compile!
 // Step 2: Get the bar_for_fuzz and default_to_baz tests passing!
-// Execute the command `rustlings hint if2` if you want a hint :)
+// Execute `rustlings hint if2` or use the `hint` watch subcommand for a hint.
 
 // I AM NOT DONE