Updated cspell dictionary and removed unneeded values (#359)

.config/dictionary.txt

@@ -1,14 +1,9 @@
 addini
-addinivalue_line
+addinivalue
 addoption
-argparsing
 autouse
 barroso
 caplog
-cidrblock
-codecov
-errlines
-filterwarnings
 fixturedefs
 fixtureinfo
 fixturenames
@@ -26,25 +21,16 @@ modifyitems
 notestscollected
 pandoc
 parseoutcomes
-pathsep
 pluginmanager
-pytest
 pytester
 pytestmark
 pytrace
 reportinfo
 rominger
-rootpath
-runas
 runpytest
-runpytest_subprocess
-runtask
 setenv
-setuptools
-startpath
 testpaths
 testsfailed
-udring
 usageerror
 virsh
 webservers