Fix #3533: Deleted help_item.xml (land) file

[UttaranDas]

Explanation

Fix #3533

I deleted the help_item.xml (land) file as help_item.xml and help_item.xml (land) were exactly identical. After deletion of the file there was no change in the working of the app. Here are the before and after screenshots of the help_item:

Before	After

Checklist

• The PR title starts with "Fix #bugnum: ", followed by a short, clear summary of the changes. (If this PR fixes part of an issue, prefix the title with "Fix part of #bugnum: ...".)
• The PR explanation includes the words "Fixes #bugnum: ..." (or "Fixes part of #bugnum" if the PR only partially fixes an issue).
• The PR follows the style guide.
• The PR does not contain any unnecessary auto-generated code from Android Studio.
• The PR is made from a branch that's not called "develop".
• The PR is made from a branch that is up-to-date with "develop".
• The PR's branch is based on "develop" and not on any other branch.
• The PR is assigned to an appropriate reviewer in both the Assignees and the Reviewers sections.

[rt4914]

LGTM, thanks.