Revert "core/bloombits: fix deadlock when matcher session hits an err…

…or (ethereum#28184)"

This reverts commit 0e3ba93.

core/bloombits/matcher.go

@@ -630,16 +630,13 @@ func (s *MatcherSession) Multiplex(batch int, wait time.Duration, mux chan chan
 			request <- &Retrieval{Bit: bit, Sections: sections, Context: s.ctx}
 
 			result := <-request
-
-			// Deliver a result before s.Close() to avoid a deadlock
-			s.deliverSections(result.Bit, result.Sections, result.Bitsets)
-
 			if result.Error != nil {
 				s.errLock.Lock()
 				s.err = result.Error
 				s.errLock.Unlock()
 				s.Close()
 			}
+			s.deliverSections(result.Bit, result.Sections, result.Bitsets)
 		}
 	}
 }