tests: use crlf=yes attribute more

To make special newlines more explicit and visible.
Mostly in `<protocol>` sections, some in `<data*>` and `<upload>`.

Reducing the number of `tests/data/test*`:
- CRLF newlines from 21535 to 11337.
- files with mixed newlines from 1335 to 707.

Also delete empty `<protocol>` sections.

Closes #19284

tests/data/test176

@@ -64,22 +64,22 @@ http://%HOSTIP:%HTTPPORT/%TESTNUMBER -u auser:apasswd --ntlm -d "junkelijunk"
 
 # Verify data after the test has been "shot"
 <verify>
-<protocol nonewline="yes">
-POST /%TESTNUMBER HTTP/1.1
-Host: %HOSTIP:%HTTPPORT
-Authorization: NTLM TlRMTVNTUAABAAAABoIIAAAAAAAAAAAAAAAAAAAAAAA=
-User-Agent: curl/%VERSION
-Accept: */*
-Content-Length: 0
-Content-Type: application/x-www-form-urlencoded
-
-POST /%TESTNUMBER HTTP/1.1
-Host: %HOSTIP:%HTTPPORT
-User-Agent: curl/%VERSION
-Accept: */*
-Content-Length: 11
-Content-Type: application/x-www-form-urlencoded
-
+<protocol crlf="yes" nonewline="yes">
+POST /%TESTNUMBER HTTP/1.1
+Host: %HOSTIP:%HTTPPORT
+Authorization: NTLM TlRMTVNTUAABAAAABoIIAAAAAAAAAAAAAAAAAAAAAAA=
+User-Agent: curl/%VERSION
+Accept: */*
+Content-Length: 0
+Content-Type: application/x-www-form-urlencoded
+
+POST /%TESTNUMBER HTTP/1.1
+Host: %HOSTIP:%HTTPPORT
+User-Agent: curl/%VERSION
+Accept: */*
+Content-Length: 11
+Content-Type: application/x-www-form-urlencoded
+
 junkelijunk
 </protocol>
 </verify>