[refactor] Remove unnecessary if block

Author: devkapilbansal

openwisp-config/files/sbin/openwisp-update-config.lua

@@ -150,34 +150,32 @@ if lfs.attributes(remote_config_dir, 'mode') == 'directory' then
             -- if there's no backup of the file yet, create one
             if not utils.file_exists(stored_path) then
                 os.execute('cp '..standard_path..' '..stored_path)
-                if utils.file_exists(remote_path) then
-                    for key, section in pairs(stored:get_all(file)) do
-                        -- check if section is in remote configuration
-                        local section_check = check:get(file, section['.name'])
-                        if section_check then
-                            -- check if options is in remote configuration
-                            for option, value in pairs(section) do
-                                if not utils.starts_with_dot(option) then
-                                    local option_check = check:get(file, section['.name'], option)
-                                    if option_check then
-                                        -- if option is in remote configuration, remove it
-                                        stored:delete(file, section['.name'], option)
-                                    end
+                for key, section in pairs(stored:get_all(file)) do
+                    -- check if section is in remote configuration
+                    local section_check = check:get(file, section['.name'])
+                    if section_check then
+                        -- check if options is in remote configuration
+                        for option, value in pairs(section) do
+                            if not utils.starts_with_dot(option) then
+                                local option_check = check:get(file, section['.name'], option)
+                                if option_check then
+                                    -- if option is in remote configuration, remove it
+                                    stored:delete(file, section['.name'], option)
                                 end
                             end
-                            -- remove entire section if empty
-                            local result = stored:get_all(file, section['.name'])
-                            if result and utils.is_uci_empty(result) then
-                                stored:delete(file, section['.name'])
-                            end
+                        end
+                        -- remove entire section if empty
+                        local result = stored:get_all(file, section['.name'])
+                        if result and utils.is_uci_empty(result) then
+                            stored:delete(file, section['.name'])
                         end
                     end
-                    stored:commit(file)
-                    -- remove uci file if empty
-                    local uci_file = stored:get_all(file)
-                    if uci_file and utils.is_table_empty(uci_file) then
-                        os.remove(stored_path)
-                    end
+                end
+                stored:commit(file)
+                -- remove uci file if empty
+                local uci_file = stored:get_all(file)
+                if uci_file and utils.is_table_empty(uci_file) then
+                    os.remove(stored_path)
                 end
             end
             -- MERGE mode