declassified doesn't provide that functionality in it's base, you can try to do
<script file="scripts/_wa2-easylayout.maki" param="pl.vis.area;0;0;1;0;0;0"/>
<script file="scripts/_wa2-easylayout.maki" param="waclassicplvis;0;0;1;0;0;0"/>
but i cannot exactly promise it looking right
It took me a little time to realize you were suggesting edits for the "pledit.xml" file. I tried it and the pl vis went away entirely. The original numerical values are "350;0;0;0;0;0". I tried putting the "1" in different places, but the vis only came back (in it's original location) when I used "1;0;0;0;0;0".
I found the definition for the parameters in the "_wa2-easylayout.m" file, but I can't figure out how to use them to center or offset the vis more to the left.
Edit:
Ok, I finally figured it out. I returned the parameters in the lines you suggested to their original values. Then I changed the "x=" values in the lines shown below in the "pledit.xml" file. Now the vis is pretty much centered in the bar at the bottom of the playlist window. I have also used the resize control point on the bottom right corner to make the playlist window taller and wider than the default.
<layer id="pl.vis.area" image="wa2.pl.8.vis"
x="-405" y="-38" relatx="1" relaty="1" cursor="cur.normal"/>
<group id="waclassicplvis"
x="-403" y="-26" w="76" h="16" relatx="1" relaty="1"/>