Fix #151: remove incorrect parameter from createRunInPlan POD

Changes

@@ -2,6 +2,7 @@ Revision history for Perl module TestRail::API
 
 0.044 2018-10-9 TEODESIAN
     - Add getCaseFields and addCaseField methods to TestRail::API
+    - Correct argument POD for createRunInPlan
 
 0.043 2018-6-16 TEODESIAN
     - Better error messaging when bad custom result fields are configured in Test::Rail::Parser

lib/TestRail/API.pm

@@ -1843,7 +1843,7 @@ sub getPlanSummary {
     return $ret;
 }
 
-=head2 B<createRunInPlan (plan_id,suite_id,name,milestone_id,assigned_to_id,config_ids,case_ids)>
+=head2 B<createRunInPlan (plan_id,suite_id,name,assigned_to_id,config_ids,case_ids)>
 
 Create a run in a plan.