Remove manual debug settings in qa tests.

-debug and -logtimemicros are now set by default. Individual test cases
no longer need to set these parameters manually.

qa/rpc-tests/test_framework/test_framework.py

@@ -239,6 +239,6 @@ class ComparisonTestFramework(BitcoinTestFramework):
     def setup_network(self):
         self.nodes = start_nodes(
             self.num_nodes, self.options.tmpdir,
-            extra_args=[['-debug', '-whitelist=127.0.0.1']] * self.num_nodes,
+            extra_args=[['-whitelist=127.0.0.1']] * self.num_nodes,
             binary=[self.options.testbinary] +
             [self.options.refbinary]*(self.num_nodes-1))