[SEDONA-370] Remove the old GeoTiff reader

[jiayuasu]

Did you read the Contributor Guide?

• Yes, I have read Contributor Rules and Contributor Development Guide

Is this PR related to a JIRA ticket?

• Yes, the URL of the associated JIRA ticket is https://issues.apache.org/jira/browse/SEDONA-370. The PR name follows the format [SEDONA-370] my subject.

What changes were proposed in this PR?

Dropped the following functions and removed their docs. These functions are buggy and not well designed

1. sedona.read.format("geotiff")
2. sedona.write.format("geotiff")
3. RS_GetBand()
4. RS_Append()
5. The corresponding readers and writers in Sedona R must also be dropped.

Deleted the docs of the following function as they will no longer work without the old geotiff reader and writer. They will be re-implemented in another PR

1. RS_HTML
2. RS_Base64

How was this patch tested?

Passed unit tests

Did this PR include necessary documentation updates?

• Yes, I have updated the documentation update.