Remove the value from a variable. The value will become NULL
(empty) but Clear-Variable will preserve the data-type of the
object stored in the variable.        Clear-Variable [-name]
string[]          [-include string[]] [-exclude string[] ]
[-scope string] [-force] [-passThru] [-whatIf]
[-confirm] [CommonParameters]    -name string        The name(s)
of the variable to be cleared, required.        Wildcards are
permitted.     -include string[]        Clear only the specified
items, wildcards allowed e.g. "ora*"    -exclude string[]
Omit the specified items, wildcards allowed e.g. "*ms*"
-scope string        The scope in which this alias is valid.
Valid values are "Global", "Local", or "Script", or a number
relative        to the current scope ( 0 through the number of
scopes, where 0 is the        For more, type "get-help
about_scope".    -force SwitchParameter        Override
restrictions that prevent the command from succeeding, apart
from security setti