[CODEOWNERS] Fix linter errors (Azure#53086)

The focus of these changes is to remove an owner that the linter is flagging as no longer valid.

Author: jsquire

.github/CODEOWNERS

@@ -941,10 +941,7 @@
 # ServiceOwners:                                                   @alexyaang
 
 # PRLabel: %Arize AI %Mgmt
-/sdk/arizeaiobservabilityeval/Azure.ResourceManager.*/             @aggarwalsw
-
-# ServiceLabel: %Arize AI %Mgmt
-# ServiceOwners:                                                   @aggarwalsw
+/sdk/arizeaiobservabilityeval/Azure.ResourceManager.*/             @ArcturusZhang @ArthurMa1978
 
 # PRLabel: %ARM
 /sdk/resources/Azure.ResourceManager.*/                            @Azure/arm-sdk-owners
@@ -1037,10 +1034,7 @@
 # ServiceOwners:                                                   @apmehrotra
 
 # PRLabel: %LambdaTest HyperExecute
-/sdk/lambdatesthyperexecute/Azure.ResourceManager.*/               @aggarwalsw
-
-# ServiceLabel: %LambdaTest HyperExecute %Mgmt
-# ServiceOwners:                                                   @aggarwalsw
+/sdk/lambdatesthyperexecute/Azure.ResourceManager.*/               @ArcturusZhang @ArthurMa1978
 
 # PRLabel: %Large Instance
 /sdk/azurelargeinstance/Azure.ResourceManager.*/                   @8Gitbrix @ArcturusZhang @ArthurMa1978
@@ -1109,10 +1103,7 @@
 # ServiceOwners:                                                   @ArthurMa1978
 
 # PRLabel: %Pinecone
-/sdk/pineconevectordb/Azure.ResourceManager.*/                     @aggarwalsw
-
-# ServiceLabel: %Pinecone %Mgmt
-# ServiceOwners:                                                   @aggarwalsw
+/sdk/pineconevectordb/Azure.ResourceManager.*/                     @ArcturusZhang @ArthurMa1978
 
 # PRLabel: %Planetary Computer
 /sdk/planetarycomputer/Azure.ResourceManager.*/                    @shaktichetan23 @ArthurMa1978
@@ -1163,19 +1154,14 @@
 # ServiceOwners:                                                   @jchavaherrera
 
 # PRLabel: %Weights & Biases
-/sdk/weightsandbiases/Azure.ResourceManager.*/                     @aggarwalsw
-
-# ServiceLabel: %Weights & Biases %Mgmt
-# ServiceOwners:                                                   @aggarwalsw
-
+/sdk/weightsandbiases/Azure.ResourceManager.*/                     @ArcturusZhang @ArthurMa1978
 
 # PRLabel: %Workload Orchestration
 /sdk/workloadorchestration/Azure.ResourceManager.*/                @atharvau
 
 # ServiceLabel: %Workload Orchestration %Mgmt
 # ServiceOwners:                                                   @atharvau
 
-
 # ######## Eng Sys ########
 /eng/                                                              @hallipr @weshaggard @benbp
 /eng/common/                                                       @Azure/azure-sdk-eng