Revert "add milestone category to ER template"

Author: ryanfchase

.github/ISSUE_TEMPLATE/emergent-request.md

@@ -6,7 +6,7 @@ title: 'ER: (title, required)'
 labels: 'Complexity: Missing, Discussion, Emergent Request, Feature: Missing, Question,
   Role: Missing, size: 0.25pt'
 assignees: ''
-milestone: '03 - Project Management'
+
 ---
 
 ### Emergent Requirement - Problem Description