Revert all SASL authzid (new feature) commits

- Revert all commits related to the SASL authzid feature since the next
  release will be a patch release, 7.65.1.

Prior to this change CURLOPT_SASL_AUTHZID  / --sasl-authzid was destined
for the next release, assuming it would be a feature release 7.66.0.
However instead the next release will be a patch release, 7.65.1 and
will not contain any new features.

After the patch release after the reverted commits can be restored by
using cherry-pick:

git cherry-pick a14d72c a9499ff 8c1cc36 c2a8d52 0edf690

Details for all reverted commits:

Revert "os400: take care of CURLOPT_SASL_AUTHZID in curl_easy_setopt_ccsid()."

This reverts commit 0edf6907ae37e2020722e6f61229d8ec64095b0a.

Revert "tests: Fix the line endings for the SASL alt-auth tests"

This reverts commit c2a8d52a1356a722ff9f4aeb983cd4eaf80ef221.

Revert "examples: Added SASL PLAIN authorisation identity (authzid) examples"

This reverts commit 8c1cc369d0c7163c6dcc91fd38edfea1f509ae75.

Revert "curl: --sasl-authzid added to support CURLOPT_SASL_AUTHZID from the tool"

This reverts commit a9499ff136d89987af885e2d7dff0a066a3e5817.

Revert "sasl: Implement SASL authorisation identity via CURLOPT_SASL_AUTHZID"

This reverts commit a14d72ca2fec5d4eb5a043936e4f7ce08015c177.

1 files changed, 0 insertions, 56 deletions

diff --git a/tests/data/test848 b/tests/data/test848
deleted file mode 100644
index 2b4a30b2a..000000000
--- a/tests/data/test848
+++ /dev/null
@@ -1,56 +0,0 @@
-<testcase>
-<info>
-<keywords>
-IMAP
-SASL
-SASL AUTH PLAIN
-RFC4616
-</keywords>
-</info>
-
-#
-# Server-side
-<reply>
-<servercmd>
-AUTH PLAIN
-REPLY AUTHENTICATE +
-REPLY c2hhcmVkLW1haWxib3gAdXNlcgBzZWNyZXQ= A002 OK AUTHENTICATE completed
-</servercmd>
-<data>
-From: me@somewhere

-To: fake@nowhere

-

-body

-

---

-  yours sincerely

-</data>
-</reply>
-
-#
-# Client-side
-<client>
-<server>
-imap
-</server>
- <name>
-IMAP plain authentication with alternative authorization identity
- </name>
- <command>
-'imap://%HOSTIP:%IMAPPORT/848/;MAILINDEX=1' -u user:secret --sasl-authzid shared-mailbox
-</command>
-</client>
-
-#
-# Verify data after the test has been "shot"
-<verify>
-<protocol>
-A001 CAPABILITY

-A002 AUTHENTICATE PLAIN

-c2hhcmVkLW1haWxib3gAdXNlcgBzZWNyZXQ=

-A003 SELECT 848

-A004 FETCH 1 BODY[]

-A005 LOGOUT

-</protocol>
-</verify>
-</testcase>