Bug 18536: [QA Follow-up] Tiny regex simplification

Simplify regex for removing table name.
No need to escape a dot between the square brackets. No need to specify a
number of 1 between parentheses.

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
(cherry picked from commit 63c6eaca8d)
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
(cherry picked from commit 3166154e87)
Signed-off-by: Julian Maurice <julian.maurice@biblibre.com>

serials/lateissues-export.pl

@@ -56,7 +56,7 @@ while ( $content =~ /
     $header =~ s/^\s+|\s+$//g; # Trim whitespaces
     push @headers, $header;
 
-    $field =~ s/[^\.]*\.{1}//; # Remove the table name if exists.
+    $field =~ s/[^.]+\.//; # Remove the table name if exists.
     $field =~ s/^\s+|\s+$//g; # Trim whitespaces
     push @fields, $field;
 }