Remove references to VCS in variables.mk
# CONFIG = the configuration class to give the parameters for the project
# CONFIG_PACKAGE = the scala package to find the CONFIG class
# GENERATOR_PACKAGE = the scala package to find the Generator class in
-# TB = wrapper over the TestHarness needed to simulate in VCS
+# TB = wrapper over the TestHarness needed to simulate in a verilog simulator
# TOP = top level module of the project (normally the module instantiated by the harness)
#
# project specific:
