Remove redundant CA option call

[SniperSister]

Summary of Changes

In order to properly use HTTPS connections, a valid and up-to-date CA file is needed. That can either be a single file or a directory holding multiple files.

In our CURL transport, a protected method setCAOptionAndValue fetches the correct file OR folder and sets the respective CURL option.

However, a redundant call in the request method tried to do the same, however without checking if the return from CaBundle is a path and not a file.

On systems where CaBundle returns a path, the following error message is shown while fetching extension updates wiht debug mode on:

An error has occurred: error setting certificate file: /PATH/TO/CERTS

Testing Instructions

Code Review

Documentation Changes Required

[HLeithner]

I think this merge commit was not 100% correct:

23809c3