some DEPRECATED libraries

[B1ackt34]

Installing Explorer on Ubuntu 18.04, mongodb 4.4, node 12.x and using a Bitcoin Adult wallet I get this:

npm WARN deprecated [email protected]: request has been deprecated, see https://github.com/request/request/issues/3142 npm WARN deprecated [email protected]: use serve-favicon module npm WARN deprecated [email protected]: this library is no longer supported npm WARN deprecated [email protected]: https://github.com/lydell/resolve-url#deprecated npm WARN deprecated [email protected]: core-js@<3 is no longer maintained and not recommended for usage due to the number of issues. Please, upgrade your dependencies to the actual version of core-js@3. npm WARN deprecated [email protected]: Please see https://github.com/lydell/urix#deprecated

[email protected] install /root/explorer/node_modules/dtrace-provider node-gyp rebuild || node suppress-error.js

make: Entering directory '/root/explorer/node_modules/dtrace-provider/build' TOUCH Release/obj.target/DTraceProviderStub.stamp make: Leaving directory '/root/explorer/node_modules/dtrace-provider/build'

[email protected] postinstall /root/explorer/node_modules/core-js node -e "try{require('./postinstall')}catch(e){}"