[pkg] Remove prebuild-linux-arm script

Author: lpinca

package.json

@@ -10,7 +10,6 @@
     "install": "node-gyp-build",
     "prebuild": "prebuildify --napi --strip",
     "prebuild-darwin-x64+arm64": "prebuildify --arch x64+arm64 --napi --strip",
-    "prebuild-linux-arm": "prebuildify-cross -i linux-armv6 -i linux-armv7 -i linux-arm64 --napi --strip",
     "test": "mocha"
   },
   "repository": {