integration.w.o and m.o moved cname to misc-web-lb

changing the cname for integration.wikimedia.org and
integration.mediawiki.org from gallium to misc-web-lb.eqiad.  this is
related to change I91e3d1ef2c1a4ab2bfa742a3b02d6c80e76e58cc

Change-Id: Ic00474b1b3da4b5866468bddee92b2ae8ba6bcde
RT: 6594