Removed the rndiff, rpdiff spacing to contact rules, which do not exist in the PDK (required distance is zero; i.e., no overlap, which is enforced by the definition of the magic tile types).
diff --git a/sky130/magic/sky130.tech b/sky130/magic/sky130.tech index 5cf453d..cf09405 100644 --- a/sky130/magic/sky130.tech +++ b/sky130/magic/sky130.tech
@@ -5313,8 +5313,6 @@ "Diffusion contact to standard cell gate < %d (licon.11)" spacing mvndc,mvpdc mvnfet,mvnnfet,mvpfet 55 touching_illegal \ "Diffusion contact to gate < %d (licon.11)" - spacing ndc,mvndc rnd,mvrnd 60 touching_illegal "Diffusion contact to rndiff < %d ()" - spacing pdc,mvpdc rdp,mvrdp 60 touching_illegal "Diffusion contact to rndiff < %d ()" spacing nsc varactor,varhvt 250 touching_illegal \ "Diffusion contact to varactor gate < %d (licon.10)" spacing mvnsc mvvar 250 touching_illegal \