remove an obsolete restriction

Author: tshepang

src/changelog.rst

@@ -332,6 +332,7 @@ Language changes in Rust 1.83.0
 * `Stabilize \`&mut\`, \`*mut\`, \`&Cell\`, and \`*const Cell\` in const. <https://github.com/rust-lang/rust/pull/129195>`_
 
   * Changed paragraphs: :p:`fls_to4e7imq2c0w`, :p:`fls_6g7c1kjrmfnr`, :p:`fls_hkbwa8xx2fwx`
+  - Removed paragraph: :p:`fls_ox6sgl9n43g2`
 
 * `Allow creating references to statics in \`const\` initializers. <https://github.com/rust-lang/rust/pull/129759>`_
 

src/expressions.rst

@@ -312,10 +312,6 @@ A :t:`constant context` is a :t:`construct` that requires a
 * :dp:`fls_ucFupTeCyylb`
   The :t:`block expression` of a :t:`const block expression`.
 
-:dp:`fls_ox6sgl9n43g2`
-It is a static error to create a :t:`mutable reference` in a
-:t:`constant context`.
-
 :dp:`fls_od0h3v40kjp6`
 An invocation of the :std:`core::ptr::addr_of` :t:`macro` expands to a
 :t:`constant expression` allowed in any :t:`constant context` and