[CODEOWNERS] Remove invalid owner (#47067)

The focus of these changes is to remove an invalid owner uncovered by a linter failure.

Author: jsquire

.github/CODEOWNERS

@@ -997,12 +997,6 @@
 # ServiceLabel: %DevOps - Infrastructure
 # ServiceOwners:                                                   @oolaoluwa
 
-# PRLabel: %Informatica Data Management
-/sdk/informaticadatamanagement/Azure.ResourceManager.*/            @almasak
-
-# ServiceLabel: %Informatica Data Management %Mgmt
-# ServiceOwners:                                                   @almasak
-
 # PRLabel: %Large Instance
 /sdk/azurelargeinstance/Azure.ResourceManager.*/                   @8Gitbrix @archerzz @ArcturusZhang @ArthurMa1978