[dcl.array]: delete note about non-modifiability of arrays (#2048)

This note doesn't mean anything and contradicts the fact that a non-const-qualified array lvalue is in fact a modifiable lvalue.

Author: languagelawyer

source/declarators.tex

@@ -1178,7 +1178,6 @@
 \pnum
 \begin{note}
 Conversions affecting expressions of array type are described in~\ref{conv.array}.
-Objects of array types cannot be modified, see~\ref{basic.lval}.
 \end{note}
 
 \pnum