Install SVGO
Intsll the node js tool SVGO
$ [sudo] npm install -g svgo
svgo *.svg --multipass --enable=removeMetadata,removeTitle,removeDesc
You can also specify the svg file
svgo assets/img/test.svg --multipass --enable=removeMetadata,removeTitle,removeDesc
Output to a different folder
svgo test.svg -o test.min.svg --multipass --enable=removeMetadata,removeTitle,removeDesc