[tests] Remove estimatefee from rpc_deprecated.py test

Author: John Newbery

test/functional/rpc_deprecated.py

@@ -10,15 +10,9 @@ class DeprecatedRpcTest(BitcoinTestFramework):
     def set_test_params(self):
         self.num_nodes = 2
         self.setup_clean_chain = True
-        self.extra_args = [[], ["-deprecatedrpc=estimatefee", "-deprecatedrpc=createmultisig"]]
+        self.extra_args = [[], ["-deprecatedrpc=createmultisig"]]
 
     def run_test(self):
-        self.log.info("estimatefee: Shows deprecated message")
-        assert_raises_rpc_error(-32, 'estimatefee is deprecated', self.nodes[0].estimatefee, 1)
-
-        self.log.info("Using -deprecatedrpc=estimatefee bypasses the error")
-        self.nodes[1].estimatefee(1)
-
         self.log.info("Make sure that -deprecatedrpc=createmultisig allows it to take addresses")
         assert_raises_rpc_error(-5, "Invalid public key", self.nodes[0].createmultisig, 1, [self.nodes[0].getnewaddress()])
         self.nodes[1].createmultisig(1, [self.nodes[1].getnewaddress()])