CE-135: Remove git ref from operations search param

Removed ability to search for git revision in the deployment/operation table

src/main/java/eu/ess/ics/ccce/repository/impl/DeploymentRepository.java

@@ -312,11 +312,6 @@ public class DeploymentRepository implements IDeploymentRepository {
                                             from.get("deployment").get("namingName")
                                     ), "%" + query.toLowerCase() + "%"
                             ),
-                            cb.like(
-                                    cb.lower(
-                                            from.get("deployment").get("sourceVersion")
-                                    ), "%" + query.toLowerCase() + "%"
-                            ),
                             cb.like(
                                     cb.lower(
                                             from.get("createdBy")