Revert "added requirements.txt for pip install -r"

This reverts commit f46aa74557e5607249bcd53e3529b79360cba6ef.
Revert "fixed bug in sysmon widget loading"

This reverts commit a6671da53579dba642d04a553267dc03d752cd97.
Revert "added categories to poche plugin"

This reverts commit 03754bbca926726f2744097e4ea470ffc1c9e4c0.