[Autotimer] openwebif addExternalChild not needed

[jbleyel]

enigma2-plugins/autotimer/src/plugin.py

Line 158 in 39ff6ff

if isOpenWebifInstalled():

The openwebif do this already.

addExternalChild will not work. See here ->
https://github.com/E2OpenPlugins/e2openplugin-OpenWebif/blob/master/plugin/pluginshook.src#L7

[WanWizard]

@Dima73 ?

[Dima73]

Probably can be deleted, but it is necessary to check.