code: public void deleteProject(Object projectIdOrPath) throws GitLabApiException {
          Response.Status expectedStatus = (isApiVersion(ApiVersion.V3) ? Response.Status.OK : Response.Status.ACCEPTED);
          delete(expectedStatus, null, "projects", getProjectIdOrPath(projectIdOrPath));
      }
docs: Removes project with all resources(issues, merge requests etc).
  
  <pre><code>DELETE /projects/:id</code></pre>
  
  @param projectIdOrPath the project in the form of an Integer(ID), String(path), or Project instance
  @throws GitLabApiException if any exception occurs