[ENH] take out all the code to handle source data

[marcobarilari]

The intention is to have a separate CPP_*** repo focused on the step 'from source to BIDS'

[Remi-Gau]

Files to remove:

• src/defaults/checkOptionsSource.m

[marcobarilari]

List of functions related to sourcMRI to take out or discuss what to do if in common to ccp_spm

             ├── demos
             │   ├── sourceDataProcessing
             │   │   ├── batchSource.m
             │   │   └── getOptionSource.m
             ├── src
             │   ├── batches
#IN COMMON   │   │   ├── setBatch3Dto4D.m          
             │   │   ├── setBatchGZip.m
             │   ├── defaults
             │   │   ├── checkOptionsSource.m
             │   ├── utils
             │   │   ├── convert3Dto4D.m
#IN COMMON   │   │   ├── printBatchName.m           
#IN COMMON   │   │   ├── setDefaultFields.m           
             │   └── workflows
             │       ├── bidsGZipRawFolder.m
             ├── tests
             │   ├── test_checkOptionsSource.m
#IN COMMON   │   ├── test_setBatch3Dto4D.m            
             │   ├── test_setBatchGZip.m