[Makefile] Don't double quote paths.
@@ -275,12 +275,12 @@ livedocs: gendocs doxygen
# Testing #
###########
-COMPILER_GYM_SITE_DATA ?= "/tmp/compiler_gym_$(USER)/tests/site_data"
-COMPILER_GYM_CACHE ?= "/tmp/compiler_gym_$(USER)/tests/cache"
+COMPILER_GYM_SITE_DATA ?= /tmp/compiler_gym_$(USER)/tests/site_data
+COMPILER_GYM_CACHE ?= /tmp/compiler_gym_$(USER)/tests/cache
# A directory that is used as the working directory for running pytest tests
# by symlinking the tests directory into it.
-INSTALL_TEST_ROOT ?= "/tmp/compiler_gym_$(USER)/install_tests"
+INSTALL_TEST_ROOT ?= /tmp/compiler_gym_$(USER)/install_tests
# The target to use. If not provided, all tests will be run. For `make test` and
# related, this is a bazel target pattern, with default value '//...'. For `make
