Fix sentence in process::abort

Author: hkBst

library/std/src/process.rs

@@ -2320,8 +2320,8 @@ pub fn exit(code: i32) -> ! {
 /// The function will never return and will immediately terminate the current
 /// process in a platform specific "abnormal" manner.
 ///
-/// Note that because this function never returns, and that it terminates the
-/// process, no destructors on the current stack or any other thread's stack
+/// Note that because this function never returns and terminates the process,
+/// no destructors on the current stack or any other thread's stack
 /// will be run.
 ///
 /// Rust IO buffers (eg, from `BufWriter`) will not be flushed.