hg: openjfx/jfx-dev/rt: 8215231: Remove the redundant file readAsText.html

[murali.billa at oracle.com]

Changeset: 32a30b0adafc
Author:    mbilla
Date:      2018-12-12 00:34 +0530
URL:       http://hg.openjdk.java.net/openjfx/jfx-dev/rt/rev/32a30b0adafc

8215231: Remove the redundant file readAsText.html
Reviewed-by: kcr

- modules/javafx.web/src/test/resources/test/html/readAsText.html