Update tests for future-compat warning removal

Author: Aaron1011

src/test/ui/privacy/pub-priv-dep/pub-priv1.rs

@@ -20,15 +20,13 @@ struct PrivateType {
 pub struct PublicType {
     pub field: OtherType,
     //~^ ERROR type `priv_dep::OtherType` from private dependency 'priv_dep' in public interface
-    //~| WARNING this was previously accepted
     priv_field: OtherType, // Private field - this is fine
     pub other_field: PubType // Type from public dependency - this is fine
 }
 
 impl PublicType {
     pub fn pub_fn(param: OtherType) {}
     //~^ ERROR type `priv_dep::OtherType` from private dependency 'priv_dep' in public interface
-    //~| WARNING this was previously accepted
 
     fn priv_fn(param: OtherType) {}
 }
@@ -37,7 +35,6 @@ pub trait MyPubTrait {
     type Foo: OtherTrait;
 }
 //~^^^ ERROR trait `priv_dep::OtherTrait` from private dependency 'priv_dep' in public interface
-//~| WARNING this was previously accepted
 
 pub struct AllowedPrivType {
     #[allow(exported_private_dependencies)]

src/test/ui/privacy/pub-priv-dep/pub-priv1.stderr

@@ -9,28 +9,20 @@ note: lint level defined here
    |
 LL | #![deny(exported_private_dependencies)]
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
-   = note: for more information, see issue #44663 <https://github.com/rust-lang/rust/issues/44663>
 
 error: type `priv_dep::OtherType` from private dependency 'priv_dep' in public interface
-  --> $DIR/pub-priv1.rs:29:5
+  --> $DIR/pub-priv1.rs:28:5
    |
 LL |     pub fn pub_fn(param: OtherType) {}
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   |
-   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
-   = note: for more information, see issue #44663 <https://github.com/rust-lang/rust/issues/44663>
 
 error: trait `priv_dep::OtherTrait` from private dependency 'priv_dep' in public interface
-  --> $DIR/pub-priv1.rs:36:1
+  --> $DIR/pub-priv1.rs:34:1
    |
 LL | / pub trait MyPubTrait {
 LL | |     type Foo: OtherTrait;
 LL | | }
    | |_^
-   |
-   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
-   = note: for more information, see issue #44663 <https://github.com/rust-lang/rust/issues/44663>
 
 error: aborting due to 3 previous errors