Eliminate LineMarkerXmlTagDecorator#checkDelete usage

[bohdan-harniuk]

Is your feature request related to a problem? Please describe.

The com.intellij.psi.PsiElement#checkDelete method is deprecated. It is used in the: com.magento.idea.magento2plugin.linemarker.xml.LineMarkerXmlTagDecorator#checkDelete.

Describe the solution you'd like (*)

Eliminate usage of deprecated method.

[m2-assistant]

Hi @bohdan-harniuk. Thank you for your report.
To speed up processing of this issue, make sure that you provided sufficient information.

Add a comment to assign the issue: @magento I am working on this

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[artemii-karkusha]

@magento I am working on this