Remove extra parentheses
Without this change make buildfile Config=SmallBoomConfig fails
@@ -35,7 +35,7 @@ endif
ENV_YML ?= $(vlsi_dir)/env.yml
TECH_CONF ?= $(if $(filter $(tech_name),asap7), example-asap7.yml,\
- example-sky130.yml))
+ example-sky130.yml)
TOOLS_CONF ?= example-tools.yml
INPUT_CONFS ?= $(TOOLS_CONF) $(TECH_CONF)
HAMMER_EXEC ?= $(if $(filter $(tech_name),sky130),\
