Remove CLIP_Z slicer from epd_case; superseded by _section.scad

epd_case.scad

@@ -7,7 +7,6 @@ use <GDEY0583T81.scad>
 /* [Preview] */
 SHOW_DISP = true;
 EPD_EXPLODE = 0;   // mm to pull display mockup toward Y- for inspection
-CLIP_Z    = 0;     // mm to remove from Z+ (0 = full model; LIP reveals cavity; LIP+DISP_T reveals floor)
 
 module epd_case() {
   color("#004B49") {
@@ -48,8 +47,4 @@ module epd_case() {
         GDEY0583T81(fpc_bend_start=0, fpc_bend_r=FPC_BEND_R, fpc_post_clip=2);
 }
 
-intersection() {
-  epd_case();
-  cube([epd_case_w + 1, epd_case_d + 1,
-        ($preview && CLIP_Z > 0) ? max(0.01, epd_case_h - CLIP_Z) : epd_case_h + 1]);
-}
+epd_case();