changed expected output in tests so it now passes with changed output

Author: Andrew

src/test/ui/traits/trait-alias/trait-alias-only-maybe-bound.stderr

@@ -1,10 +1,10 @@
-error[E0224]: at least one non-builtin trait is required for an object type
+error[E0224]: at least one trait is required for an object type
  --> $DIR/trait-alias-only-maybe-bound.rs:13:12
  |
 LL | type _T0 = dyn _1;
  | ^^^^^^
 
-error[E0224]: at least one non-builtin trait is required for an object type
+error[E0224]: at least one trait is required for an object type
  --> $DIR/trait-alias-only-maybe-bound.rs:19:12
  |
 LL | type _T1 = dyn _2;

src/test/ui/traits/trait-object-macro-matcher.stderr

@@ -1,4 +1,4 @@
-error[E0224]: at least one non-builtin trait is required for an object type
+error[E0224]: at least one trait is required for an object type
  --> $DIR/trait-object-macro-matcher.rs:11:8
  |
 LL | m!(dyn 'static +);

src/test/ui/traits/trait-object-vs-lifetime-2.stderr

@@ -1,4 +1,4 @@
-error[E0224]: at least one non-builtin trait is required for an object type
+error[E0224]: at least one trait is required for an object type
  --> $DIR/trait-object-vs-lifetime-2.rs:7:5
  |
 LL | dyn 'static +: 'static + Copy,

src/test/ui/traits/trait-object-vs-lifetime.stderr

@@ -4,7 +4,7 @@ error: lifetime arguments must be declared prior to type arguments
 LL | let _: S<dyn 'static +, 'static>;
  | ^^^^^^^
 
-error[E0224]: at least one non-builtin trait is required for an object type
+error[E0224]: at least one trait is required for an object type
  --> $DIR/trait-object-vs-lifetime.rs:9:23
  |
 LL | let _: S<'static, dyn 'static +>;
@@ -22,7 +22,7 @@ error[E0107]: wrong number of type arguments: expected 1, found 0
 LL | let _: S<'static, 'static>;
  | ^^^^^^^^^^^^^^^^^^^ expected 1 type argument
 
-error[E0224]: at least one non-builtin trait is required for an object type
+error[E0224]: at least one trait is required for an object type
  --> $DIR/trait-object-vs-lifetime.rs:14:14
  |
 LL | let _: S<dyn 'static +, 'static>;

src/test/ui/traits/wf-trait-object-only-maybe-bound.stderr

@@ -4,7 +4,7 @@ error: `?Trait` is not permitted in trait object types
 LL | type _0 = dyn ?Sized;
  | ^^^^^^
 
-error[E0224]: at least one non-builtin trait is required for an object type
+error[E0224]: at least one trait is required for an object type
  --> $DIR/wf-trait-object-only-maybe-bound.rs:3:11
  |
 LL | type _0 = dyn ?Sized;