S666LN: rootdir: fix typo

Signed-off-by: KimelaZX <mmikailrei@gmail.com>

rootdir/Android.bp

@@ -8,13 +8,13 @@ prebuilt_etc {
     name: "init_connectivity.rc",
     src: "etc/init/hw/init_connectivity.rc",
     relative_install_path: "init/hw",
-    vendor: true,,
+    vendor: true,
 }
 
 prebuilt_etc {
     name: "fstab.mt6789",
     src: "etc/fstab.mt6789",
-    vendor: true,,
+    vendor: true,
     vendor_ramdisk_available: true
 }