some bugfixes for CSI reporting with PUCCH2. Configuration of cqi_Table 2 for CSI reporting when 256-QAM is enabled.

Frees all allocated memory, except for library loading related, and ul
reference signal sequences, which are allocated in static variables

The previous commit created two new warnings:

    warning: 'avgs' may be used uninitialized in this function
    warning: 'seq_index' may be used uninitialized in this function

This commit removes them.

Maybe it's not the correct solution. To be fixed if needed.

This commit includes about 1/3 of the code clean up
in preparation for the merge to the OAI develop
branch. Several of the changes are white space changes,
removing of logs, comment removals, and updating any
changed code for our use-case to be clear for NSA mode.

This reverts commit 2c41c4cd