deprecate splitter in std.array

use static import

update PR
std.csv: clean imports
std.format: clean imports
std.json: clean imports
std.path: clean imports
std.uuid: clean imports
std.zlib: clean imports
std.zip: clean imports
std.encoding: clean imports
std.string: clean imports
std.uni: clean imports
std.utf: clean imports
Merge pull request #2690 from 9il/splitter

deprecate splitter in std.array
` if(` => ` if (`
Merge pull request #2720 from 9il/utf

std.utf: clean imports
Merge pull request #2719 from 9il/encoding2

std.encoding: clean imports
Merge pull request #2718 from 9il/uni

std.uni: clean imports
Merge pull request #2717 from 9il/string2

std.string: clean imports
Merge pull request #2716 from 9il/uuid

std.uuid: clean imports
Merge pull request #2714 from 9il/zip

std.zip: clean imports