Aggregration corrections

Documentation corrections for lookup its available for all in 3.2
Removed duplicated test assertion

Author: rozza

docs/reference/content/builders/aggregation.md

@@ -103,7 +103,7 @@ limit(10)
 
 ### Lookup
 
-Starting in 3.2, MongoDB Enterprise provides a new [`$lookup`]({{< docsref "reference/operator/aggregation/lookup/" >}}) pipeline stage 
+Starting in 3.2, MongoDB provides a new [`$lookup`]({{< docsref "reference/operator/aggregation/lookup/" >}}) pipeline stage 
 that performs a left outer join with another collection to filter in documents from the joined collection for processing.
 
 This example performs a left outer join on the `fromCollection` collection, joining the `local` field to the `from` field and outputted in 

driver-core/src/main/com/mongodb/client/model/Aggregates.java

@@ -97,8 +97,6 @@ public static Bson limit(final int limit) {
     /**
      * Creates a $lookup pipeline stage for the specified filter
      *
-     * <p>Note: Available in MongoDB Enterprise only.</p>
-     *
      * @param from the name of the collection in the same database to perform the join with.
      * @param localField specifies the field from the local collection to match values against.
      * @param foreignField specifies the field in the from collection to match values against.

driver-core/src/test/unit/com/mongodb/client/model/AggregatesSpecification.groovy

@@ -140,19 +140,6 @@ class AggregatesSpecification extends Specification {
                      stdDevPop('stdDevPop', '$quantity'),
                      stdDevSamp('stdDevSamp', '$quantity')
         )) == groupDocument
-
-        toBson(group(null, [
-                sum('sum', parse('{ $multiply: [ "$price", "$quantity" ] }')),
-                avg('avg', '$quantity'),
-                min('min', '$quantity'),
-                max('max', '$quantity'),
-                first('first', '$quantity'),
-                last('last', '$quantity'),
-                push('all', '$quantity'),
-                addToSet('unique', '$quantity'),
-                stdDevPop('stdDevPop', '$quantity'),
-                stdDevSamp('stdDevSamp', '$quantity')
-        ])) == groupDocument
     }
 
     def 'should render $sample'() {