fix no such file or directory 7z (#728)

* refactor archive code

* simplify code

* Revert "simplify code"

This reverts commit 3e90dd66c3.

* add link to missing extraction software

* fix tar

* fix wording

kindlecomicconverter/shared.py

@@ -137,7 +137,7 @@ def dependencyCheck(level):
         print('ERROR: ' + ', '.join(missing) + ' is not installed!')
         sys.exit(1)
 
-def subprocess_run_silent(command, **kwargs):
+def subprocess_run(command, **kwargs):
     if (os.name == 'nt'):
         kwargs.setdefault('creationflags', subprocess.CREATE_NO_WINDOW)
     return subprocess.run(command, **kwargs)