[expr.static.cast] Remove unused cv-qualifier notation

Author: sdkrystian

source/expressions.tex

@@ -3701,10 +3701,9 @@
 
 \pnum
 An lvalue
-of type ``\cvqual{cv1} \tcode{T1}'' can be cast to type ``rvalue
-reference to \cvqual{cv2} \tcode{T2}'' if ``\cvqual{cv2} \tcode{T2}'' is
-reference-compatible with ``\cvqual{cv1}
-\tcode{T1}''\iref{dcl.init.ref}. If the value is not a bit-field,
+of type \tcode{T1} can be cast to type ``rvalue
+reference to \tcode{T2}'' if \tcode{T2} is reference-compatible with
+\tcode{T1}\iref{dcl.init.ref}. If the value is not a bit-field,
 the result refers to the object or the specified base class subobject
 thereof; otherwise, the lvalue-to-rvalue conversion\iref{conv.lval}
 is applied to the bit-field and the resulting prvalue is used as the