Move pdk installation inside docker to use Magic from docker image.

docker/Makefile

@@ -19,12 +19,3 @@ push:
 pull:
 	docker pull vlsida/openram-ubuntu:latest
 
-mount:
-	docker run -it -v $(TOP_DIR):/openram \
-		-v $(SKY130_PDK):$(SKY130_PDK) \
-		-e PDK_ROOT=$(PDK_ROOT) \
-                -e OPENRAM_HOME=/openram/compiler \
-                -e OPENRAM_TECH=/openram/technology \
-		--user $(UID):$(GID) \
-                vlsida/openram-ubuntu:latest
-.PHONY: mount

docker/set-paths.sh

@@ -13,10 +13,3 @@ export PATH=$PATH:$XYCE_PATH
 export XYCE_LIB=$XYCE_HOME/lib
 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$XYCE_LIB
 export XYCE_NO_TRACKING="anything at all"
-
-# OpenRAM
-export OPENRAM_HOME=/openram/compiler
-export OPENRAM_TECH=/openram/technology
-
-# FreePDK45
-export FREEPDK45=/freepdk45