Deprecate 10 security-hotspot rules that overlap with security-injection rules

The following rules are deprecated and will eventually be removed because their overlap with security-injection rules:

• S4508 RSPEC-4508 Deserializing objects from an untrusted source is security-sensitive
• S4510 RSPEC-4510 Deserializing with XMLDecoder is security-sensitive
• S4530 RSPEC-4530 Using Struts 1 ActionForm is security-sensitive
• S4531 RSPEC-4531 Using setters in Struts 2 ActionSupport is security-sensitive
• S4818 RSPEC-4818 Using Sockets is security-sensitive
• S4823 RSPEC-4823 Using command line arguments is security-sensitive
• S4829 RSPEC-4829 Reading the Standard Input is security-sensitive
• S5300 RSPEC-5300 Sending emails is security-sensitive
• S5304 RSPEC-5304 Using environment variables is security-sensitive
• S5326 RSPEC-5326 Validating SSL/TLS connections is security-sensitive