Move Aneurysm9 to emeritus status (#5319)

Signed-off-by: Anthony J Mirabella <a9@aneurysm9.com>
Co-authored-by: Aaron Clawson <3766680+MadVikingGod@users.noreply.github.com>
Co-authored-by: Robert Pająk <pellared@hotmail.com>
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>

CODEOWNERS

@@ -12,6 +12,6 @@
 #  https://help.github.com/en/articles/about-code-owners
 #
 
-* @MrAlias @Aneurysm9 @evantorrie @XSAM @dashpole @MadVikingGod @pellared @hanyuancheung @dmathieu
+* @MrAlias @evantorrie @XSAM @dashpole @MadVikingGod @pellared @hanyuancheung @dmathieu
 
-CODEOWNERS @MrAlias @MadVikingGod @pellared @dashpole
+CODEOWNERS @MrAlias @MadVikingGod @pellared @dashpole

CONTRIBUTING.md

@@ -629,7 +629,6 @@ should be canceled.
 - [Sam Xie](https://github.com/XSAM), Cisco/AppDynamics
 - [Chester Cheung](https://github.com/hanyuancheung), Tencent
 - [Damien Mathieu](https://github.com/dmathieu), Elastic
-- [Anthony Mirabella](https://github.com/Aneurysm9), AWS
 
 ### Maintainers
 
@@ -643,6 +642,7 @@ should be canceled.
 - [Liz Fong-Jones](https://github.com/lizthegrey), Honeycomb
 - [Gustavo Silva Paiva](https://github.com/paivagustavo), LightStep
 - [Josh MacDonald](https://github.com/jmacd), LightStep
+- [Anthony Mirabella](https://github.com/Aneurysm9), AWS
 
 ### Become an Approver or a Maintainer