Add bug label; Delte label addition

Signed-off-by: Liza <e.chichindaeva@yadro.com>

.github/ISSUE_TEMPLATE/bug_report.md

@@ -2,7 +2,7 @@
 name: Bug report
 about: Create a report to help us improve
 title: ''
-labels: community, triage
+labels: community, triage, bug
 assignees: ''
 
 ---
@@ -40,11 +40,4 @@ assignees: ''
 <!-- Include as many relevant details about the environment you experienced the bug in -->
 * Version used:
 * Server setup and configuration:
-* Operating System and version (`uname -a`):
-
-## Don't forget to add labels!
-- component label (`frostfs-adm`, `frostfs-storage`, ...)
-- `goodfirstissue`, `helpwanted` if needed
-- does this issue belong to an epic?
-- priority (`P0`-`P4`) if already triaged
-- quarter label (`202XQY`) if possible
+* Operating System and version (`uname -a`):