Remove unused imports from Aggregates, Projections (#1505)

Author: stIncMale

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

@@ -17,8 +17,6 @@
 package com.mongodb.client.model;
 
 import com.mongodb.MongoNamespace;
-import com.mongodb.annotations.Beta;
-import com.mongodb.annotations.Reason;
 import com.mongodb.client.model.densify.DensifyOptions;
 import com.mongodb.client.model.densify.DensifyRange;
 import com.mongodb.client.model.fill.FillOptions;

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

@@ -16,8 +16,6 @@
 
 package com.mongodb.client.model;
 
-import com.mongodb.annotations.Beta;
-import com.mongodb.annotations.Reason;
 import com.mongodb.client.model.search.FieldSearchPath;
 import com.mongodb.client.model.search.SearchCollector;
 import com.mongodb.client.model.search.SearchCount;