Rename performance.parsoid.domLoad to performance.domLoad

See
https://gerrit.wikimedia.org/r/#/c/89347/2/modules/ve-mw/init/ve.init.mw.Target.js
for the reasoning. Ori offered to adjust the consumers for this.

Change-Id: I835f0752ab3a4c8ad56eec437668423ba8b81c24
Merge "Rename performance.parsoid.domLoad to performance.domLoad"