.circleci: Remove quotes from --git-dir

git doesn't handle the escapes correctly so let's just not put them
altogether.

Signed-off-by: Eli Uriegas <eliuriegas@fb.com>

.circleci/scripts/binary_populate_env.sh

@@ -51,7 +51,7 @@ BASE_BUILD_VERSION="1.5.0.dev$DATE"
 # Change BASE_BUILD_VERSION to git tag when on a git tag
 # Use 'git -C' to make doubly sure we're in the correct directory for checking
 # the git tag
-GIT_DESCRIBE="git --git-dir '${workdir}/pytorch/.git' describe"
+GIT_DESCRIBE="git --git-dir ${workdir}/pytorch/.git describe"
 if ${GIT_DESCRIBE} --tags --exact >/dev/null; then
   # Switch upload folder to 'test/' if we are on a tag
   PIP_UPLOAD_FOLDER='test/'