* Port `dmhb` to RzShell
* Port `dmhf` to RzShell
* Remove 'to' argument from rz_core_debug_continue_until(). It was never used in the whole function. Hence, whatever it was supposed to do, it didn't
* Port `dcu` to RzShell
* Fix tests of `dmh[bf]` commands
* Port `dmi` commands to RzShell
* Port `dmx` to RzShell
* Remove `dta` command.
Originally it limited the addresses to trace.
But it was not used in any test, and the implementation was not optimal.
It allowed only specific addresses (no range).
Also worked on strings (not ut64 values).
Also, the usefulness is limited, considering the alternative
to just not tracing a certain address.
* Add quiet and quietest mode to `dmi` commands.
This also removes the test for `dmias`.
The command was not documented and it doesn't seem to
do anything special `dmia` can't do.
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