fix(precheck): disable gf180mcuD magic DRC

Sylvain: The techfile for GF180 is still a bit dodgy in some areas,
especially when reading from GDS and it's rejecting perfectly valid designs.
Wafer.space relies only on KLayout DRC for acceptance so we should do
too for the time being.

precheck/precheck.py

@@ -434,7 +434,7 @@ def main():
         {
             "name": "Magic DRC",
             "check": lambda: magic_drc(gds_file, top_module),
-            "techs": ["sky130A", "gf180mcuD"],
+            "techs": ["sky130A"],
         },
         {
             "name": "KLayout FEOL",