plugins: simplify this before next step

src/etc/inc/plugins.inc

@@ -74,8 +74,7 @@ function plugins_services()
         try { include_once $path; } catch (ParseError $e) { error_log($e); }
         $func = sprintf('%s_services', $name);
         if (function_exists($func)) {
-            $workers = $func();
-            foreach ($workers as $work) {
+            foreach ($func() as $work) {
                 $services[] = $work;
             }
         }
@@ -92,8 +91,7 @@ function plugins_cron()
         try { include_once $path; } catch (ParseError $e) { error_log($e); }
         $func = sprintf('%s_cron', $name);
         if (function_exists($func)) {
-            $workers = $func();
-            foreach ($workers as $work) {
+            foreach ($func() as $work) {
                 $jobs[] = $work;
             }
         }
@@ -110,8 +108,7 @@ function plugins_syslog()
         try { include_once $path; } catch (ParseError $e) { error_log($e); }
         $func = sprintf('%s_syslog', $name);
         if (function_exists($func)) {
-            $workers = $func();
-            foreach ($workers as $plugin_syslog => $plugin_details) {
+            foreach ($func() as $plugin_syslog => $plugin_details) {
                 $syslogs[$plugin_syslog] = $plugin_details;
             }
         }
@@ -201,8 +198,7 @@ function plugins_configure($hook, $verbose = false, $args = array())
         try { include_once $path; } catch (ParseError $e) { error_log($e); }
         $func = sprintf('%s_configure', $name);
         if (function_exists($func)) {
-            $workers = $func();
-            foreach ($workers as $when => $worker) {
+            foreach ($func() as $when => $worker) {
                 if ($hook == $when && is_array($worker)) {
                     foreach ($worker as $task) {
                         /*