[stmt.ambig] Don't \grammarterm "declaration" in "is a declaration" to avoid redefining the grammar production /declaration/.

Author: burblebee

source/statements.tex

@@ -1081,8 +1081,7 @@
 conversion\iref{expr.type.conv} as its leftmost subexpression can be
 indistinguishable from a \grammarterm{declaration} where the first
 \grammarterm{declarator} starts with a \tcode{(}. In those cases the
-% FIXME: Shouldn't "\grammarterm{declaration}" be "declaration" here?
-\grammarterm{statement} is a \grammarterm{declaration},
+\grammarterm{statement} is a declaration,
 except as specified below.
 
 \pnum