api: remove account from listProjects API response (#4743)

The `account` is no longer set in the listProjects API response that is
still mentioned in the API docs. API consumers should now use the
`owner` key from the listProjects API response which returns a list of
owners (accounts and users).

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

Author: yadvr

api/src/main/java/org/apache/cloudstack/api/response/ProjectResponse.java

@@ -51,10 +51,6 @@ public class ProjectResponse extends BaseResponse implements ResourceLimitAndCou
     @Param(description = "the domain name where the project belongs to")
     private String domain;
 
-    @SerializedName(ApiConstants.ACCOUNT)
-    @Param(description = "the account name of the project's owner")
-    private String ownerName;
-
     @SerializedName(ApiConstants.OWNER)
     @Param(description = "the account name of the project's owners")
     private List<Map<String, String>> owners;
@@ -231,10 +227,6 @@ public void setDomain(String domain) {
         this.domain = domain;
     }
 
-    public void setOwner(String owner) {
-        ownerName = owner;
-    }
-
     public void setProjectAccountName(String projectAccountName) {
         this.projectAccountName = projectAccountName;
     }