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 <ry@linux.com>

MAINTAINERS.md

@@ -6,8 +6,12 @@ Maintainers
 | Name | GitHub | Chat | email
 |------|--------|------|----------------------
 | Vipin Bharathan | [vipinsun](https://github.com/vipinsun) | VipinB  | 
-| Matias Salimbene | [salimbene](https://github.com/salimbene) | matisalimba  | 
-| Kamlesh Nagware | [knagware9](https://github.com/knagware9) | knagware9  | 
-| Sandy Aggarwal | [sandywalls](https://github.com/sandywalls) |  |  
 
 
+**Emeritus Maintainers**
+
+| Name | GitHub | Chat | email
+|------|--------|------|----------------------
+| Kamlesh Nagware | [knagware9](https://github.com/knagware9) | knagware9  | 
+| Matias Salimbene | [salimbene](https://github.com/salimbene) | matisalimba  | 
+| Sandy Aggarwal | [sandywalls](https://github.com/sandywalls) |  |