Revert "Python bindings: Add support for creating USB contexts"
Revert "Python bindings: Add support for creating USB contexts"

This reverts commit baa786908ca418b50b862496871a06dbc46b3214.

Signed-off-by: Paul Cercueil <73d292422978d45c9eeef455bb1b24a0db453722@analog.com>

analogdevicesinc/libiio,analogdevicesinc/libiio,analogdevicesinc/libiio,analogdevicesinc/libiio