build-tools: remove xargs as it is currently incompatible

Change-Id: Ib650dcbd8264dbdeb9f6f799923f9b06327cc724
Signed-off-by: Matthias Maennich <maennich@google.com>
diff --git a/build-tools/path/linux-x86/xargs b/build-tools/path/linux-x86/xargs
deleted file mode 120000
index cc37ad7..0000000
--- a/build-tools/path/linux-x86/xargs
+++ /dev/null
@@ -1 +0,0 @@
-../../../../prebuilts/build-tools/path/linux-x86/xargs
\ No newline at end of file