remove iqshell script from lint target's flake8 CLI
remove iqshell script from lint target's flake8 CLI

This is a bash script, so the python linter complains about syntax errors,

bin/iqshell:23:16: E901 SyntaxError: invalid syntax
bin/iqshell:23:18: E225 missing whitespace around operator
Makefile:20: recipe for target 'lint' failed
make: *** [lint] Error 1

Signed-off-by: Tycho Andersen <6b523322678240882acbb4da5312a12d8cd0082d@tycho.ws>

flacjacket/qtile,tych0/qtile,frostidaho/qtile,ramnes/qtile,kynikos/qtile,kynikos/qtile,soulchainer/qtile,qtile/qtile,cortesi/qtile,soulchainer/qtile,qtile/qtile,frostidaho/qtile,cortesi/qtile,zordsdavini/qtile,ramnes/qtile,zordsdavini/qtile,tych0/qtile,flacjacket/qtile