remove the ex*.rs files

ex6.rs

@@ -1,47 +0,0 @@
-// ex6.rs
-// Make me compile! Scroll down for hints :)
-
-fn main() {
-    let robot_name = Some(String::from("Bors"));
-
-    match robot_name {
-        Some(name) => println!("Found a name: {}", name),
-        None => (),
-    }
-
-    println!("robot_name is: {:?}", robot_name);
-}
-
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-// Hint: The following two statements are equivalent:
-// let x = &y;
-// let ref x = y;

exercises/ex1.rs

@@ -1,6 +0,0 @@
-// ex1.rs
-// Make me compile! :)
-
-fn main() {
-    println();
-}

exercises/ex2.rs

@@ -1,10 +0,0 @@
-// ex2.rs
-// Make me compile!
-
-fn something() -> String {
-    "hi!"
-}
-
-fn main() {
-    println!("{}", something());
-}

exercises/ex3.rs

@@ -1,10 +0,0 @@
-// ex3.rs
-// Make me compile!
-
-struct Foo {
-    capacity: i32,
-}
-
-fn main() {
-    println!("{:?}", Foo { capacity: 3 });
-}

exercises/ex4.rs

@@ -1,14 +0,0 @@
-// ex4.rs
-// Make me compile!
-
-fn something() -> Result<i32, std::num::ParseIntError> {
-    let x:i32 = "3".parse();
-    Ok(x * 4)
-}
-
-fn main() {
-    match something() {
-        Ok(..) => println!("You win!"),
-        Err(e) => println!("Oh no something went wrong: {}", e),
-    }
-}

exercises/ex5.rs

@@ -1,22 +0,0 @@
-// ex5.rs
-// Make me compile!
-
-enum Reaction<'a> {
-    Sad(&'a str),
-    Happy(&'a str),
-}
-
-fn express(sentiment: Reaction) {
-    match sentiment {
-        Reaction::Sad(s) => println!(":( {}", s),
-        Reaction::Happy(s) => println!(":) {}", s),
-    }
-}
-
-fn main () {
-    let x = Reaction::Happy("It's a great day for Rust!");
-    express(x);
-    express(x);
-    let y = Reaction::Sad("This code doesn't compile yet.");
-    express(y);
-}

src/verify.rs

@@ -4,11 +4,6 @@ use indicatif::ProgressBar;
 use std::process::Command;
 
 pub fn verify() -> Result<(), ()> {
-    compile_only("exercises/ex1.rs")?;
-    compile_only("exercises/ex2.rs")?;
-    compile_only("exercises/ex3.rs")?;
-    compile_only("exercises/ex4.rs")?;
-    compile_only("exercises/ex5.rs")?;
     compile_only("exercises/variables/variables1.rs")?;
     compile_only("exercises/variables/variables2.rs")?;
     compile_only("exercises/variables/variables3.rs")?;