Remove dblock@ for MAINTAINERS. (#934)

Signed-off-by: Daniel (dB.) Doubrovkine <[email protected]>

Author: dblock

.github/CODEOWNERS

@@ -1,2 +1,2 @@
 # This should match the team set up in https://github.com/orgs/opensearch-project/teams and include any additional contributors
-*   @VachaShah @dblock @harshavamsi @axeoman @Shephalimittal @saimedhi @florianvazelle
+*   @VachaShah @harshavamsi @axeoman @Shephalimittal @saimedhi @florianvazelle

MAINTAINERS.md

@@ -7,7 +7,6 @@ This document contains a list of maintainers in this repo. See [opensearch-proje
 | Maintainer                | GitHub ID                                           | Affiliation |
 | ------------------------- | --------------------------------------------------- | ----------- |
 | Vacha Shah                | [VachaShah](https://github.com/VachaShah)           | Amazon      |
-| Daniel Doubrovkine        | [dblock](https://github.com/dblock)                 | Independent |
 | Harsha Vamsi Kalluri      | [harshavamsi](https://github.com/harshavamsi)       | Amazon      |
 | Aleksei Atavin            | [axeoman](https://github.com/axeoman)               | Aiven       |
 | Denis Zalevskiy           | [deztructor](https://github.com/deztructor)         | Aiven       |
@@ -17,6 +16,7 @@ This document contains a list of maintainers in this repo. See [opensearch-proje
 
 ## Emeritus
 
-| Maintainer    | GitHub ID                               | Affiliation |
-| ------------- | --------------------------------------- | ----------- |
-| Rushi Agrawal | [rushiagr](https://github.com/rushiagr) | Amazon      |
+| Maintainer         | GitHub ID                               | Affiliation |
+| ------------------ | --------------------------------------- | ----------- |
+| Daniel Doubrovkine | [dblock](https://github.com/dblock)     | Independent |
+| Rushi Agrawal      | [rushiagr](https://github.com/rushiagr) | Amazon      |