t: stop using GIT_CONFIG to cross repo boundaries

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 1531c241c08f0fad1a8e0789dbed2675b0fe5e56..625f06e5e5080eb5ac9d34ee0526d7eccde3e9cc 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -649,7 +649,6 @@ else # normal case, use ../bin-wrappers only unless $with_dashes:
        fi
 fi
 GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
-unset GIT_CONFIG
 GIT_CONFIG_NOSYSTEM=1
 GIT_ATTR_NOSYSTEM=1
 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM