[master] a80a50ca8 param: Remove stale references to pcre error codes

[Dridi Boukelmoune]

commit a80a50ca8a7fdcf602722eb44b5bf31c38dbf990
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Tue Aug 3 09:08:12 2021 +0200

    param: Remove stale references to pcre error codes

diff --git a/include/tbl/params.h b/include/tbl/params.h
index 66c14b1e6..074048e9e 100644
--- a/include/tbl/params.h
+++ b/include/tbl/params.h
@@ -1650,7 +1650,7 @@ PARAM_PCRE2(
 	" prevent crashes, at the cost of possible regexp"
 	" matching failures.\n\n"
 	"Matching failures will show up in the log as VCL_Error"
-	" messages with regexp errors -27 or -21."
+	" messages."
 )
 
 #  undef PARAM_ALL