remove string trimmer from execute

Author: gregor-j

src/SapRfcFunction.php

@@ -57,15 +57,14 @@ public function __destruct()
     protected function execute()
     {
         try {
-            $result = $this->function->invoke($this->params);
+            return $this->function->invoke($this->params);
         } catch (\Exception $exception) {
             throw new FunctionCallException(sprintf(
                 'Function call %s failed: %s',
                 $this->getName(),
                 $exception->getMessage()
             ), 0, $exception);
         }
-        return $this->trimStrings($result);
     }
 
     /**
@@ -85,22 +84,4 @@ protected function getFunction()
             ), 0, $exception);
         }
     }
-
-    /**
-     * Trim the strings of a given data structure.
-     * @param mixed $return
-     * @return mixed
-     */
-    protected function trimStrings($return)
-    {
-        if (is_string($return)) {
-            return rtrim($return);
-        }
-        if (is_array($return)) {
-            foreach ($return as $key => $value) {
-                $return[$key] = $this->trimStrings($value);
-            }
-        }
-        return $return;
-    }
 }