Remove blank in maven.config

Maven 3.9.1 doesn't accept this whitespace.

Change-Id: I0f6e3652b1e581615c370d35bc782184712ac922

.mvn/maven.config

diff --git a/.mvn/maven.config b/.mvn/maven.config
index ebbe288..3944d88 100644
--- a/.mvn/maven.config
+++ b/.mvn/maven.config
@@ -1 +1 @@
--T 1C
+-T1C