*: remove VTY_GET_*

*: remove VTY_GET_*

CLI validates input tokens, so there's no need to do it in handler
functions anymore.

spatch follows
----------------

@getull@
expression v;
expression str;
@@
<...
- VTY_GET_ULL(..., v, str)
+ v = strtoull (str, NULL, 10)
...>

@getul@
expression v;
expression str;
@@
<...
- VTY_GET_ULONG(..., v, str)
+ v = strtoul (str, NULL, 10)
...>

@getintrange@
expression name;
expression v;
expression str;
@@
<...
- VTY_GET_INTEGER_RANGE(name, v, str, ...)
+ v = strtoul (str, NULL, 10)
...>

@getint@
expression v;
expression str;
@@
<...
- VTY_GET_INTEGER(..., v, str)
+ v = strtoul (str, NULL, 10)
...>

@getv4@
expression v;
expression str;
@@
<...
- VTY_GET_IPV4_ADDRESS(..., v, str)
+ inet_aton (str, &v)
...>

@getv4pfx@
expression v;
expression str;
@@
<...
- VTY_GET_IPV4_PREFIX(..., v, str)
+ str2prefix_ipv4 (str, &v)
...>

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>