Update issue templates

Author: arvindrajan92

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,7 +1,7 @@
 ---
 name: Bug report
 about: Create a report to help us improve
-title: "[BUG]"
+title: ''
 labels: bug
 assignees: arvindrajan92
 

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,7 +1,7 @@
 ---
 name: Feature request
 about: Suggest an idea for this project
-title: "[FEAT]"
+title: ''
 labels: enhancement
 assignees: arvindrajan92