Remove issue template

Author: Virtlink

.github/ISSUE_TEMPLATE/bug_report.md

@@ -19,7 +19,11 @@ jobs:
         java:
           - version: '11'
         gradle:
-          - version: 'current'  # Current stable
+          - version: '7.6.4'      # Latest stable 7
+            command: 'gradle'
+          - version: '8.8'        # Latest stable 8
+            command: 'gradle'
+          - version: 'current'    # Latest stable
             command: 'gradle'
           - version: 'wrapper'
             command: './gradlew'  # Workaround for issue https://github.com/gradle/actions/issues/273