tests: remove obsolete class attribute tests

tests/ui/attributes/class-attributes-1.rs

@@ -1,19 +0,0 @@
-//@ check-pass
-//@ pp-exact - Make sure we actually print the attributes
-
-#![feature(rustc_attrs)]
-
-struct Cat {
-    name: String,
-}
-
-impl Drop for Cat {
-    #[rustc_dummy]
-    fn drop(&mut self) { println!("{} landed on hir feet" , self . name); }
-}
-
-
-#[rustc_dummy]
-fn cat(name: String) -> Cat { Cat{name: name,} }
-
-fn main() { let _kitty = cat("Spotty".to_string()); }

tests/ui/attributes/class-attributes-2.rs

@@ -1,31 +0,0 @@
-//@ check-pass
-
-#![feature(rustc_attrs)]
-
-struct Cat {
-    name: String,
-}
-
-impl Drop for Cat {
-    #[rustc_dummy]
-    /**
-       Actually, cats don't always land on their feet when you drop them.
-    */
-    fn drop(&mut self) {
-        println!("{} landed on hir feet", self.name);
-    }
-}
-
-#[rustc_dummy]
-/**
-Maybe it should technically be a kitten_maker.
-*/
-fn cat(name: String) -> Cat {
-    Cat {
-        name: name
-    }
-}
-
-fn main() {
-    let _kitty = cat("Spotty".to_string());
-}