Remove unused parameters

This patch removes some parameters which are in parameters.yaml
but are not used in other *.inc files.

Change-Id: I202c182188a0cb276d1523991500d3576011da29

api-ref/source/parameters.yaml

@@ -75,20 +75,6 @@ configuration:
   in: body
   required: true
   type: string
-configuration_1:
-  description: |
-    ID of the configuration group to attach to the
-    instance.
-  in: body
-  required: false
-  type: string
-configuration_2:
-  description: |
-    To detach a configuration group, set the
-    configuration parameter to null.
-  in: body
-  required: true
-  type: string
 created:
   description: |
     The date and time when the resource was created.
@@ -120,13 +106,6 @@ datastore:
   in: body
   required: true
   type: string
-datastore_1:
-  description: |
-    Name of the datastore to use when creating the
-    instance.
-  in: body
-  required: false
-  type: string
 datastore_version:
   description: |
     Name of the datastore version to use when
@@ -168,33 +147,6 @@ name:
   in: body
   required: true
   type: string
-name_1:
-  description: |
-    A database name.  You cannot use the
-    ``lost+found``, ``information_schema``, or ``mysql`` database name
-    to create a database because these names are reserved for system
-    databases.  Valid characters in a database name are  - Upper and
-    lower case letters.  - Numbers.  - ``@``, ``?``, ``#``, and spaces
-    except at the beginning or end of   the database name.  - ``_`` is
-    allowed anywhere in the database name.  You cannot use these
-    characters in a database name. The maximum length of a database
-    name is 64 characters.
-  in: body
-  required: false
-  type: string
-name_2:
-  description: |
-    The user name for the database on instance
-    creation.
-  in: body
-  required: false
-  type: string
-name_3:
-  description: |
-    New name of the configuration group.
-  in: body
-  required: true
-  type: string
 password:
   description: |
     The password for those users on instance
@@ -215,12 +167,6 @@ replica_of:
   in: body
   required: false
   type: string
-replica_of_1:
-  description: |
-    To detach a replica, set ``replica_of`` to null.
-  in: body
-  required: true
-  type: string
 size:
   description: |
     The volume size, in gigabytes (GB). A valid value
@@ -276,11 +222,3 @@ values:
   in: body
   required: true
   type: string
-values_1:
-  description: |
-    Dictionary that lists configuration parameter
-    names and associated values.
-  in: body
-  required: true
-  type: object
-