Remove U-rib from lid notch; keep notch only

cpu_case.scad

@@ -282,16 +282,6 @@ module lid() {
         translate([PCB_OX + FPC_CX + FPC_NOTCH_W/2, LID_Y_LEN - 3, FLANGE_H - 3])
             cube([OUT_L - WALL - FLANGE_W + SLIDE_CLEAR - 2.0 - (PCB_OX + FPC_CX + FPC_NOTCH_W/2), 3, 3]);
 
-        // U-rib bridging the notch — arms outside gap edges, bar closing Y- end
-        // Left arm
-        translate([PCB_OX + FPC_CX - FPC_NOTCH_W/2 - FPC_U_T, LID_Y_LEN - 3 - FPC_U_DEPTH, FLANGE_H - 3])
-            cube([FPC_U_T, FPC_U_DEPTH, 3]);
-        // Right arm
-        translate([PCB_OX + FPC_CX + FPC_NOTCH_W/2, LID_Y_LEN - 3 - FPC_U_DEPTH, FLANGE_H - 3])
-            cube([FPC_U_T, FPC_U_DEPTH, 3]);
-        // Bottom bar
-        translate([PCB_OX + FPC_CX - FPC_NOTCH_W/2 - FPC_U_T, LID_Y_LEN - 3 - FPC_U_DEPTH, FLANGE_H - 3])
-            cube([FPC_NOTCH_W + 2*FPC_U_T, FPC_U_T, 3]);
     }
 
     color("#004B49")