removed classes due to refactor
 updated ofyService due to deletions
refactor to return shareFolderLink
folderName needs @index to be filtered
cleaned up spacing and tabs
added removeShare and updated getShared

cleaned up tabs and use spaces instead in my IDE.
Added removeShareFolderLink that deletes given a companyId, folderName, sharedCompanyId combination.
Refactored getSharedFolders to accept new nullables and query off them.
add unlink call & refactor getSharedFolders
refactored getSharedFolders