Add ui test removed-features-note-version-and-pr-issue-141619

Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>

Author: xizheyin

tests/ui/feature-gates/removed-features-note-version-and-pr-issue-141619.rs

@@ -0,0 +1,4 @@
+#![feature(external_doc)] //~ ERROR feature has been removed
+#![doc(include("README.md"))] //~ ERROR unknown `doc` attribute `include`
+
+fn main(){}

tests/ui/feature-gates/removed-features-note-version-and-pr-issue-141619.stderr

@@ -0,0 +1,19 @@
+error[E0557]: feature has been removed
+  --> $DIR/removed-features-note-version-and-pr-issue-141619.rs:1:12
+   |
+LL | #![feature(external_doc)]
+   |            ^^^^^^^^^^^^ feature has been removed
+   |
+   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
+
+error: unknown `doc` attribute `include`
+  --> $DIR/removed-features-note-version-and-pr-issue-141619.rs:2:8
+   |
+LL | #![doc(include("README.md"))]
+   |        ^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: `#[deny(invalid_doc_attributes)]` on by default
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0557`.