[TASK] ext:adodb Remove obsolete diffs from doc/

Remove some ancient and obsolete patch files from ext:adodb/doc.

Change-Id: Ib2183abb3358de8b4d7e1dad71731b1df96a9a80
Fixes: #54078
Releases: 6.2
Reviewed-on: https://review.typo3.org/25758
Reviewed-by: Oliver Klee
Tested-by: Oliver Klee
Reviewed-by: Steffen Ritter
Tested-by: Steffen Ritter
Reviewed-by: Franz G. Jahn
Tested-by: Franz G. Jahn
Reviewed-by: Helmut Hummel
Tested-by: Helmut Hummel