Clean code, fd.close not required since open as fd if used; remove get_redirected_output from cleanup_redirection_tempfiles since output is not used

(cherry picked from commit ef51f00bbc9f24485915040b863c9d034d3c272c)

lib/ansible/modules/cloud/docker/docker_service.py

@@ -511,8 +511,8 @@ def make_redirection_tempfiles():
 
 
 def cleanup_redirection_tempfiles(out_name, err_name):
-    get_redirected_output(out_name)
-    get_redirected_output(err_name)
+    for i in [out_name, err_name]:
+        os.remove(i)
 
 
 def get_redirected_output(path_name):
@@ -522,7 +522,6 @@ def get_redirected_output(path_name):
             # strip terminal format/color chars
             new_line = re.sub(r'\x1b\[.+m', '', line)
             output.append(new_line)
-    fd.close()
     os.remove(path_name)
     return output