Merge branch 'announcement-update-20230616' into 'main'

Remove announcement from Jan 2023

See merge request !1

announcement.md

-UPDATED 2023-01-11
-
-Please note upcoming changes!
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-* January 13, 2023: `$USER_SCRATCH` will point to `/scratch/$USER`.
-* January 27, 2023: Clean up of `/data/temporary-scratch/$USER` must be completed by all researchers. Access to `/data/temporary-scratch` will be removed for all researchers.
-* February 13, 2023: New `$USER_SCRATCH` storage limited-retention policies will start.
-<BR>
-The latest dates and times for Research Computing and Visual Brain Core [virtual office hours are available here!](https://uabrc.github.io/#contact-us)
-
-[UAB remote working technology toolkit](https://go.uab.edu/remotework) site provides links to various tools to assist in working remote.