Remove unused $aggregate variable.

Hasn't _ever_ been used, and 11yrs later, I cannot remember why I
thought I needed it.  /shrug

Changes

@@ -3,6 +3,7 @@ Revision history for Perl extension TAP::Formatter::JUnit.
 {{$NEXT}}
     - Switch to Dist::Zilla for release management.
     - Various POD fixups; syntax, spelling
+    - Cleaned up and removed unused variables
 
 0.11    Wed Oct  1 13:26 PDT 2014
     - Use "IPC::Run" instead of "IPC::Open2" in tests, to fix problems with

README.md

@@ -66,7 +66,7 @@ moment and needed to be able to generate JUnit output for.
     Creates a `TAP::Formatter::JUnit::Session` session, instead of a console
     formatter session.
 
-- **summary($aggregate)**
+- **summary()**
 
     Prints the summary report (in JUnit) after all tests are run.
 

lib/TAP/Formatter/JUnit.pm

@@ -55,11 +55,11 @@ sub open_test {
 }
 
 ###############################################################################
-# Subroutine:   summary($aggregate)
+# Subroutine:   summary()
 ###############################################################################
 # Prints the summary report (in JUnit) after all tests are run.
 sub summary {
-    my ($self, $aggregate) = @_;
+    my $self = shift;
     return if $self->silent();
 
     my @suites = @{$self->testsuites};
@@ -140,7 +140,7 @@ Over-ridden C<open_test()> method.
 Creates a C<TAP::Formatter::JUnit::Session> session, instead of a console
 formatter session.
 
-=item B<summary($aggregate)>
+=item B<summary()>
 
 Prints the summary report (in JUnit) after all tests are run.
 

script/tap2junit

@@ -77,7 +77,7 @@ foreach my $file (@tap_files) {
         $aggregator->stop();
 
         # Summarize the results (in JUnit)
-        $formatter->summary($aggregator);
+        $formatter->summary;
     };
     if ($@) {
         warn $@;