tests: update needless_bool test stderr

I'm getting a test failure otherwise with rust master (f688ba608923bdbf6b46ec65af2f6464b6233a75).

diff --git a/tests/ui/needless_bool.stderr b/tests/ui/needless_bool.stderr
index 46734ea07a50ac24208b57432a3ed0bfbdb4f686..30284675f43ffc8d3bc773c71d744612a6d9cd49 100644 (file)
--- a/tests/ui/needless_bool.stderr
+++ b/tests/ui/needless_bool.stderr
@@ -145,7 +145,7 @@ LL | |         false
 LL | |     } else {
 LL | |         true
 LL | |     };
-   | |_____^ help: you can reduce it to: `{ !returns_bool() }`
+   | |_____^ help: you can reduce it to: `!returns_bool()`
 
 error: aborting due to 16 previous errors