Drop the raw_create_* logger methods

lib/vmdb/loggers.rb

@@ -56,35 +56,25 @@ def self.create_logger(log_file_name, logger_class = ManageIQ::Loggers::Base)
     end
 
     private_class_method def self.create_container_logger(log_file_name, logger_class)
-      return nil unless (logger = create_raw_container_logger)
+      require "manageiq/loggers/container"
+      logger = ManageIQ::Loggers::Container.new
 
       progname = progname_from_file(log_file_name)
       logger.progname = progname
 
       create_wrapper_logger(progname, logger_class, logger)
     end
 
-    private_class_method def self.create_raw_container_logger
-      require "manageiq/loggers/container"
-      ManageIQ::Loggers::Container.new
-    end
-
     private_class_method def self.create_journald_logger(log_file_name, logger_class)
-      return nil unless (logger = create_raw_journald_logger)
+      require "manageiq/loggers/journald"
+      logger = ManageIQ::Loggers::Journald.new
 
       progname = progname_from_file(log_file_name)
       logger.progname = progname
 
       create_wrapper_logger(progname, logger_class, logger)
     end
 
-    private_class_method def self.create_raw_journald_logger
-      require "manageiq/loggers/journald"
-      ManageIQ::Loggers::Journald.new
-    rescue LoadError
-      nil
-    end
-
     private_class_method def self.log_path_from_file(log_file)
       log_file = Pathname.new(log_file) if log_file.kind_of?(String)
       log_file = ManageIQ.root.join("log", log_file) if log_file.try(:dirname).to_s == "."