fmt: remove unnecessary parentheses after return (fix #11423) (#11435)

examples/flappylearning/modules/neuroevolution/neuronevolution.v

@@ -9,7 +9,7 @@ fn random_clamped() f64 {
 
 pub fn activation(a f64) f64 {
 	ap := (-a) / 1
-	return (1 / (1 + math.exp(ap)))
+	return 1 / (1 + math.exp(ap))
 }
 
 fn round(a int, b f64) int {

examples/path_tracing.v

@@ -327,7 +327,7 @@ fn intersect(r Ray, spheres &Sphere, nspheres int) (bool, f64, int) {
 			id = i
 		}
 	}
-	return (t < inf), t, id
+	return t < inf, t, id
 }
 
 // some casual random function, try to avoid the 0

examples/spectral.v

@@ -15,7 +15,7 @@ import os
 import strconv
 
 fn evala(i int, j int) int {
-	return ((i + j) * (i + j + 1) / 2 + i + 1)
+	return (i + j) * (i + j + 1) / 2 + i + 1
 }
 
 fn times(mut v []f64, u []f64) {