Revert "Ui tests with compile_error resolved at call site"

This reverts commit e77db40b8d.

test_suite/tests/ui/conflict/adjacent-tag.stderr

@@ -1,13 +1,9 @@
 error: enum tags `conflict` for type and content conflict with each other
  --> tests/ui/conflict/adjacent-tag.rs:4:1
   |
-3 |   #[derive(Serialize)]
-  |            --------- in this derive macro expansion
 4 | / #[serde(tag = "conflict", content = "conflict")]
 5 | | enum E {
 6 | |     A,
 7 | |     B,
 8 | | }
   | |_^
-  |
-  = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)

test_suite/tests/ui/conflict/flatten-newtype-struct.stderr

@@ -1,9 +1,5 @@
 error: #[serde(flatten)] cannot be used on newtype structs
  --> tests/ui/conflict/flatten-newtype-struct.rs:6:12
   |
-5 | #[derive(Serialize)]
-  |          --------- in this derive macro expansion
 6 | struct Foo(#[serde(flatten)] HashMap<String, String>);
   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  |
-  = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)

test_suite/tests/ui/conflict/flatten-tuple-struct.stderr

@@ -1,9 +1,5 @@
 error: #[serde(flatten)] cannot be used on tuple structs
  --> tests/ui/conflict/flatten-tuple-struct.rs:6:17
   |
-5 | #[derive(Serialize)]
-  |          --------- in this derive macro expansion
 6 | struct Foo(u32, #[serde(flatten)] HashMap<String, String>);
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  |
-  = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)

test_suite/tests/ui/conflict/from-try-from.stderr

@@ -1,12 +1,8 @@
 error: #[serde(from = "...")] and #[serde(try_from = "...")] conflict with each other
  --> tests/ui/conflict/from-try-from.rs:4:1
   |
-3 |   #[derive(Serialize)]
-  |            --------- in this derive macro expansion
 4 | / #[serde(from = "u64", try_from = "u64")]
 5 | | struct S {
 6 | |     a: u8,
 7 | | }
   | |_^
-  |
-  = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)

test_suite/tests/ui/conflict/internal-tag-alias.stderr

@@ -1,8 +1,6 @@
 error: variant field name `conflict` conflicts with internal tag
   --> tests/ui/conflict/internal-tag-alias.rs:4:1
    |
-3  |   #[derive(Serialize)]
-   |            --------- in this derive macro expansion
 4  | / #[serde(tag = "conflict")]
 5  | | enum E {
 6  | |     A {
@@ -11,5 +9,3 @@ error: variant field name `conflict` conflicts with internal tag
 9  | |     },
 10 | | }
    | |_^
-   |
-   = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)

test_suite/tests/ui/conflict/internal-tag.stderr

@@ -1,8 +1,6 @@
 error: variant field name `conflict` conflicts with internal tag
   --> tests/ui/conflict/internal-tag.rs:4:1
    |
-3  |   #[derive(Serialize)]
-   |            --------- in this derive macro expansion
 4  | / #[serde(tag = "conflict")]
 5  | | enum E {
 6  | |     A {
@@ -11,5 +9,3 @@ error: variant field name `conflict` conflicts with internal tag
 9  | |     },
 10 | | }
    | |_^
-   |
-   = note: this error originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)