Remove extra context.aborts in various rest helpers

dspace-rest/src/main/java/org/dspace/rest/BitstreamResource.java

@@ -850,10 +850,6 @@ public class BitstreamResource extends Resource
         {
             processException("Something get wrong while finding bitstream. SQLException, Message:" + e, context);
         }
-        finally
-        {
-            context.abort();
-        }
         return bitstream;
     }
 }

dspace-rest/src/main/java/org/dspace/rest/CollectionsResource.java

@@ -776,10 +776,6 @@ public class CollectionsResource extends Resource
         {
             processException("Something get wrong while finding collection(id=" + id + "). SQLException, Message: " + e, context);
         }
-        finally
-        {
-            context.abort();
-        }
         return collection;
     }
 }

dspace-rest/src/main/java/org/dspace/rest/CommunitiesResource.java

@@ -1089,10 +1089,6 @@ public class CommunitiesResource extends Resource
         {
             processException("Something get wrong while finding community(id=" + id + "). SQLException, Message:" + e, context);
         }
-        finally
-        {
-            context.abort();
-        }
         return community;
     }
 }

dspace-rest/src/main/java/org/dspace/rest/ItemsResource.java

@@ -1095,10 +1095,6 @@ public class ItemsResource extends Resource
         {
             processException("Something get wrong while finding item(id=" + id + "). SQLException, Message: " + e, context);
         }
-        finally
-        {
-            context.abort();
-        }
         return item;
     }
 }

dspace-rest/src/main/java/org/dspace/rest/Resource.java

@@ -136,11 +136,6 @@ public class Resource
         {
             processException("Could not write usageEvent, ContextException. Message: " + e.getMessage(), context);
         }
-        finally
-        {
-            context.abort();
-        }
-
     }
 
     /**