Fix warnings from travis

modules/exploits/linux/http/ibm_qradar_unauth_rce.rb

@@ -3,7 +3,6 @@
 # Current source: https://github.com/rapid7/metasploit-framework
 ##
 
-require 'msf/core'
 require 'securerandom'
 
 class MetasploitModule < Msf::Exploit::Remote
@@ -71,7 +70,7 @@ class MetasploitModule < Msf::Exploit::Remote
         Opt::RPORT(443),
         OptString.new('SRVHOST', [true, 'HTTP server address', '0.0.0.0']),
         OptString.new('SRVPORT', [true, 'HTTP server port', '4448']),
-      ], self.class)
+      ])
   end
 
   def check