Merge #11032: [qa] Fix block message processing error in sendheaders.py

f1bf31186 [qa] Fix block message processing error in sendheaders.py (Suhas Daftuar)

Pull request description:

  Introduced in #10169

  @jnewbery

Tree-SHA512: f330b926c51bd4f1b63738e1ddac23c58cb32345baed36343f7a989b3b9906c5c6e7dbd74b416f662c6ef68b8d256a6c69a977ec5f85789b2c1dc802bc831f6b

test/functional/sendheaders.py

@@ -121,9 +121,6 @@ class TestNode(NodeConnCB):
             message.headers[-1].calc_sha256()
             self.last_blockhash_announced = message.headers[-1].sha256
 
-    def on_block(self, conn, message):
-        self.last_message["block"].calc_sha256()
-
     # Test whether the last announcement we received had the
     # right header or the right inv
     # inv and headers should be lists of block hashes