Remove 'require getopts.pl' as the Perl module is dead

The other use Getopt lines are sufficient to import
option parsing support for the tools.

Change-Id: Ic07c43e13fd3b1ec9adcb2bd11914294ba24258f
diff --git a/bin/plcafe b/bin/plcafe
index abd3c93..59f9b6a 100755
--- a/bin/plcafe
+++ b/bin/plcafe
@@ -1,5 +1,4 @@
 #! /usr/bin/perl 
-require 'getopts.pl';
 use Getopt::Long;
 use strict;
 
diff --git a/bin/plcomp b/bin/plcomp
index b5d769c..a3f9c76 100755
--- a/bin/plcomp
+++ b/bin/plcomp
@@ -1,5 +1,4 @@
 #! /usr/bin/perl
-require 'getopts.pl';
 use strict;
 use Getopt::Long;
 
diff --git a/bin/pljar b/bin/pljar
index ba474cd..ee7bafc 100755
--- a/bin/pljar
+++ b/bin/pljar
@@ -1,5 +1,4 @@
 #! /usr/bin/perl
-require 'getopts.pl';
 use strict;
 use Getopt::Long;
 use File::Basename;
diff --git a/bin/pljava b/bin/pljava
index 21fe11f..09358f9 100755
--- a/bin/pljava
+++ b/bin/pljava
@@ -1,5 +1,4 @@
 #! /usr/bin/perl
-require 'getopts.pl';
 use strict;
 use Getopt::Long;
 use File::Copy;
diff --git a/bin/pljavac b/bin/pljavac
index ecdd162..c0242d3 100755
--- a/bin/pljavac
+++ b/bin/pljavac
@@ -1,5 +1,4 @@
 #! /usr/bin/perl 
-require 'getopts.pl';
 use Getopt::Long;
 use strict;
 
diff --git a/src/compiler/am2j.txt b/src/compiler/am2j.txt
index 914bb51..5d4227a 100644
--- a/src/compiler/am2j.txt
+++ b/src/compiler/am2j.txt
@@ -1,5 +1,4 @@
 #! /usr/bin/perl
-require 'getopts.pl';
 use strict;
 use Getopt::Long;
 
diff --git a/src/compiler/comp_pl b/src/compiler/comp_pl
index 032c3a4..d61fc91 100755
--- a/src/compiler/comp_pl
+++ b/src/compiler/comp_pl
@@ -1,5 +1,4 @@
 #! /usr/bin/perl
-require 'getopts.pl';
 use strict;
 use Getopt::Long;
 use File::Copy;
diff --git a/src/compiler/pl2am.txt b/src/compiler/pl2am.txt
index 7622a80..0a3c01e 100644
--- a/src/compiler/pl2am.txt
+++ b/src/compiler/pl2am.txt
@@ -1,5 +1,4 @@
 #! /usr/bin/perl
-require 'getopts.pl';
 use strict;
 use Getopt::Long;