Update platform.rb

Removed unnecessary word from pattern

Author: lafried

lib/metasploit/framework/ssh/platform.rb

@@ -52,7 +52,7 @@ def self.get_platform_info(ssh_socket, timeout: 10)
                 info = info.map { |item| item.strip }
                 info = info.join(', ').to_s
                 # Windows
-              elsif info =~ /command not found|is not recognized as an internal or external command|is not recognized as the name of a cmdlet, function, script file, or operable program./
+              elsif info =~ /command not found|is not recognized as an internal or external command|is not recognized as the name of a cmdlet, function, script file, or operable/
                 info = ssh_socket.exec!("systeminfo\n").to_s
                 /OS Name:\s+(?<os_name>.+)$/ =~ info
                 /OS Version:\s+(?<os_num>.+)$/ =~ info