Revert "added class icons"

This reverts commit 0afd3e41dd3dd53015ceace607383be5484c16a2.
Revert "Revert "added class icons""

This reverts commit c6e9a0c938a4868440001039db206599bbb0bbc4.
Revert "Revert "Revert "added class icons"""

This reverts commit 2063170753ce7f010263fe3554c28b22c0b9e0e8.
Revert "Revert "Revert "Revert "added class icons""""

This reverts commit 8623d4abb2ef745afde1e35f97646fc12c66c50b.
removed OS-auto-gen-files