Move inactive maintainers to emeritus status

The TOC approved a requirement that maintainers
that have not been active in over three to six
months be move to emeritus status.

These maintainers have not been active in over
one year.

hyperledger/toc#32

Signed-off-by: Ry Jones <[email protected]>

Author: ryjones

MAINTAINERS.md

@@ -5,7 +5,6 @@ Maintainers
 | Name                      | GitHub           | Chat          | email                     |
 |---------------------------|------------------|---------------|---------------------------|
 | Artem Barger              | c0rwin           | c0rwin        | [email protected]         |
-| Gennady Laventman         | gennadylaventman | gennadyl      | [email protected]        |
 | James Taylor              | jt-nti           | jtonline      | [email protected]         |
 | Matthew B White           | mbwhite          | mbwhite       | [email protected]       |
 
@@ -16,6 +15,7 @@ Retired Maintainers
 | Name                      | GitHub           | Chat          | email                     |
 |---------------------------|------------------|---------------|---------------------------|
 | Gari Singh                | mastersingh24    | mastersingh24 | [email protected]    |
+| Gennady Laventman         | gennadylaventman | gennadyl      | [email protected]        |
 | Jim Zhang                 | jimthematrix     | jimthematrix   | jim\_the\_[email protected]        |
 | Luis Sanchez              | sanchezl         | sanchezl       | [email protected]                 |
 | Srinivasan Muralidharan   | muralisrini      | muralisr       | [email protected] |