[MM-49751] - Turn off Inactive Server Email (#22648)

* [MM-49751] - Turn off Inactive Server Email

* remove unused var

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

server/channels/store/timerlayer/timerlayer.go

@@ -5483,22 +5483,6 @@ func (s *TimerLayerPostStore) GetFlaggedPostsForTeam(userID string, teamID strin
 	return result, err
 }
 
-func (s *TimerLayerPostStore) GetLastPostRowCreateAt() (int64, error) {
-	start := time.Now()
-
-	result, err := s.PostStore.GetLastPostRowCreateAt()
-
-	elapsed := float64(time.Since(start)) / float64(time.Second)
-	if s.Root.Metrics != nil {
-		success := "false"
-		if err == nil {
-			success = "true"
-		}
-		s.Root.Metrics.ObserveStoreMethodDuration("PostStore.GetLastPostRowCreateAt", success, elapsed)
-	}
-	return result, err
-}
-
 func (s *TimerLayerPostStore) GetMaxPostSize() int {
 	start := time.Now()
 
@@ -7370,22 +7354,6 @@ func (s *TimerLayerSessionStore) Get(ctx context.Context, sessionIDOrToken strin
 	return result, err
 }
 
-func (s *TimerLayerSessionStore) GetLastSessionRowCreateAt() (int64, error) {
-	start := time.Now()
-
-	result, err := s.SessionStore.GetLastSessionRowCreateAt()
-
-	elapsed := float64(time.Since(start)) / float64(time.Second)
-	if s.Root.Metrics != nil {
-		success := "false"
-		if err == nil {
-			success = "true"
-		}
-		s.Root.Metrics.ObserveStoreMethodDuration("SessionStore.GetLastSessionRowCreateAt", success, elapsed)
-	}
-	return result, err
-}
-
 func (s *TimerLayerSessionStore) GetSessions(userID string) ([]*model.Session, error) {
 	start := time.Now()