Update java_tools-binaries.yml (#2347)

Turn off BAZEL_USE_CPP_ONLY_TOOLCHAIN
diff --git a/pipelines/java_tools-binaries.yml b/pipelines/java_tools-binaries.yml
index 5ef0164..a571680 100644
--- a/pipelines/java_tools-binaries.yml
+++ b/pipelines/java_tools-binaries.yml
@@ -36,8 +36,6 @@
   - command: |-
       bazel --ignore_all_rc_files version
       ./src/upload_all_java_tools.sh
-    env:
-      BAZEL_USE_CPP_ONLY_TOOLCHAIN: "1"
     label: ":darwin:"
     agents:
       - "queue=macos"
@@ -45,8 +43,6 @@
   - command: |-
       bazel --ignore_all_rc_files version
       ./src/upload_all_java_tools.sh
-    env:
-      BAZEL_USE_CPP_ONLY_TOOLCHAIN: "1"
     label: ":darwin_arm64:"
     agents:
       - "queue=macos_arm64"