removed mentions of managed in table descriptions

Author: aldiazRH

modules/rosa-sts-account-wide-roles-and-policies.adoc

@@ -638,7 +638,7 @@ The account number present in the `sts_installer_trust_policy.json` and `sts_sup
 |Resource|Description
 
 |`ManagedOpenShift-openshift-ingress-operator-cloud-credentials`
-|A managed IAM policy that provides the ROSA Ingress Operator with the permissions required to manage external access to a cluster.
+|An IAM policy that provides the ROSA Ingress Operator with the permissions required to manage external access to a cluster.
 
 |===
 
@@ -672,7 +672,7 @@ The account number present in the `sts_installer_trust_policy.json` and `sts_sup
 |Resource|Description
 
 |`ManagedOpenShift-openshift-cluster-csi-drivers-ebs-cloud-credentials`
-|A managed IAM policy required by ROSA to manage back-end storage through the Container Storage Interface (CSI).
+|An IAM policy required by ROSA to manage back-end storage through the Container Storage Interface (CSI).
 
 |===
 
@@ -716,7 +716,7 @@ The account number present in the `sts_installer_trust_policy.json` and `sts_sup
 |Resource|Description
 
 |`ManagedOpenShift-openshift-machine-api-aws-cloud-credentials`
-|A managed IAM policy that provides the ROSA Machine Config Operator with the permissions required to perform core cluster functionality.
+|An IAM policy that provides the ROSA Machine Config Operator with the permissions required to perform core cluster functionality.
 
 |===
 
@@ -790,7 +790,7 @@ The account number present in the `sts_installer_trust_policy.json` and `sts_sup
 |Resource|Description
 
 |`ManagedOpenShift-openshift-cloud-credential-operator-cloud-credentials`
-|A managed IAM policy that provides the ROSA Cloud Credential Operator with the permissions required to manage cloud provider credentials.
+|An IAM policy that provides the ROSA Cloud Credential Operator with the permissions required to manage cloud provider credentials.
 
 |===
 
@@ -823,7 +823,7 @@ The account number present in the `sts_installer_trust_policy.json` and `sts_sup
 |Resource|Description
 
 |`ManagedOpenShift-openshift-image-registry-installer-cloud-credentials`
-|A managed IAM policy that provides the ROSA Image Registry Operator with the permissions required to manage the internal registry storage in AWS S3 for a cluster.
+|An IAM policy that provides the ROSA Image Registry Operator with the permissions required to manage the internal registry storage in AWS S3 for a cluster.
 
 |===