Remove some more stubs

src/doc/unstable-book/src/language-features/abi-unadjusted.md

@@ -1,6 +0,0 @@
-# `abi_unadjusted`
-
-The tracking issue for this feature is: none.
-
-------------------------
-

src/doc/unstable-book/src/language-features/abi-vectorcall.md

@@ -1,7 +0,0 @@
-# `abi_vectorcall`
-
-The tracking issue for this feature is: none.
-
-------------------------
-
-

src/doc/unstable-book/src/language-features/allow-internal-unstable.md

@@ -1,6 +0,0 @@
-# `allow_internal_unstable`
-
-The tracking issue for this feature is: None.
-
-------------------------
-

src/doc/unstable-book/src/language-features/omit-gdb-pretty-printer-section.md

@@ -1,6 +0,0 @@
-# `omit_gdb_pretty_printer_section`
-
-The tracking issue for this feature is: None.
-
-------------------------
-

src/doc/unstable-book/src/language-features/prelude-import.md

@@ -1,6 +0,0 @@
-# `prelude_import`
-
-The tracking issue for this feature is: None.
-
-------------------------
-

src/doc/unstable-book/src/language-features/rustc-diagnostic-macros.md

@@ -1,6 +0,0 @@
-# `rustc_diagnostic_macros`
-
-The tracking issue for this feature is: None.
-
-------------------------
-

src/doc/unstable-book/src/language-features/sanitizer-runtime.md

@@ -1,6 +0,0 @@
-# `sanitizer_runtime`
-
-The tracking issue for this feature is: None.
-
-------------------------
-

src/doc/unstable-book/src/language-features/staged-api.md

@@ -1,6 +0,0 @@
-# `staged_api`
-
-The tracking issue for this feature is: None.
-
-------------------------
-

src/doc/unstable-book/src/language-features/target-feature.md

@@ -1,6 +0,0 @@
-# `target_feature`
-
-The tracking issue for this feature is: None.
-
-------------------------
-

src/doc/unstable-book/src/language-features/unwind-attributes.md

@@ -1,6 +0,0 @@
-# `unwind_attributes`
-
-The tracking issue for this feature is: None.
-
-------------------------
-

src/doc/unstable-book/src/library-features/ascii-ctype.md

@@ -1,5 +0,0 @@
-# `ascii_ctype`
-
-The tracking issue for this feature is: [#39658]
-
-[#39658]: https://github.com/rust-lang/rust/issues/39658

src/doc/unstable-book/src/library-features/mpsc-select.md

@@ -1,5 +0,0 @@
-# `mpsc_select`
-
-The tracking issue for this feature is: [#27800]
-
-[#27800]: https://github.com/rust-lang/rust/issues/27800

src/doc/unstable-book/src/library-features/ord-max-min.md

@@ -1,7 +0,0 @@
-# `ord-max-min`
-
-The tracking issue for this feature is: [#25663]
-
-[#25663]: https://github.com/rust-lang/rust/issues/25663
-
-------------------------