[FIX] sap.m.Carousel.qunit.html hangs in Jenkins build

Removed 'clock' statement in Test 'Active page should be set when
specified in constructor' since it was not necessary. This was the test
where the Jenkins build stopped.

See
https://veui5infra.dhcp.wdf.sap.corp:1443/jenkins/job/openui5.voter/3117/testReport/junit/com.sap.ui5.selenium.qunit/QUnitTest/qUnitRunner_331__sap_m_qunit_Carousel_qunit_html___chrome_38_0_2125_111__/

Change-Id: I0a2a5e54bfd96ca9160903fdc4f2ec6d33f7d811
Merge "[FIX] sap.m.Carousel.qunit.html hangs in Jenkins build"