Disable Perl's "taint" checks

Perl's "taint" checks don't like `use lib "$FindBin::Bin"'.

Cf. http://www.perlmonks.org/?node_id=585299

plugins-scripts/check_breeze.pl

@@ -1,4 +1,4 @@
-#!@PERL@ -wT
+#!@PERL@ -w
 
 
 use strict;

plugins-scripts/check_ircd.pl

@@ -1,4 +1,4 @@
-#!@PERL@ -wT
+#!@PERL@ -w
 
 # -----------------------------------------------------------------------------
 # File Name:		check_ircd.pl

plugins-scripts/check_wave.pl

@@ -1,4 +1,4 @@
-#!@PERL@ -wT
+#!@PERL@ -w
 #