patch 8.2.1909: number of status line items is limited to 80

Problem:    Number of status line items is limited to 80.
Solution:   Dynamically allocate the arrays. (Rom Grk, closes #7181)
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 88b3d2b..239ecb2 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -7225,7 +7225,7 @@
 	normal text.  Each status line item is of the form:
 	  %-0{minwid}.{maxwid}{item}
 	All fields except the {item} are optional.  A single percent sign can
-	be given as "%%".  Up to 80 items can be specified.  *E541*
+	be given as "%%".
 
 	When the option starts with "%!" then it is used as an expression,
 	evaluated and the result is used as the option value.  Example: >