ref: cleanup managed credential docs

* remove username and last_decrypted from the response
* move /:id/password to /:id/update

Author: Steve Szyszkiewicz

src/data/endpoints/managed.yaml

@@ -247,22 +247,33 @@ endpoints:
                     "username": "myusername2",
                 }' \
                 https://$api_root/$version/managed/credentials/$credential_id
-  /managed/credentials/$id/password:
+  /managed/credentials/$id/update:
     group: Credentials
     type: resource
     authenticated: true
     description: >
-      Change the password for a credential.
+      Change the username and password for a credential.
     methods:
       POST:
         response: ManagedCredential
         description: >
-          Changes the password for a credential.
+          Changes the username and password for a credential.
+        params:
+          username:
+            optional: True
+            description: New username to set for this credential.
+            value: myusername
+            type: String
+          password:
+            description: New password to set for this credential.
+            value: mypassword
+            type: String
         examples:
           curl: |
             curl -H "Content-Type: application/json" \
                 -H "Authorization: Bearer $TOKEN" \
                 -X POST -d '{
+                    "username": "myusername",
                     "pasword": "mypassword",
                 }' \
                 https://$api_root/$version/managed/credentials/$credential_id/password

src/data/objects/managedcredential.yaml

@@ -14,22 +14,3 @@ schema:
     value: CredentialLabel
     description: >
       A unique Label describing the credential.
-  username:
-    type: String
-    value: myusername
-    description: >
-      An optional login username.
-  last_decryption:
-    type: Object
-    description: >
-      The username and datetime of the last login using this credential.
-    who:
-      type: String
-      value: myusername
-      description: >
-        The username of the last successful login.
-    when:
-      type: Datetime
-      value: 2017-10-31T11:12:21
-      description: >
-        The datetime of the last successful login.