Remove check for required commands

Not all architectures need all the commands, so the check
does not work very well.

src/pylorax/__init__.py

@@ -173,13 +173,6 @@ class Lorax(BaseLoraxClass):
         # do we have all lorax required commands?
         self.lcmds = constants.LoraxRequiredCommands()
 
-        """
-        missing = self.lcmds.get_missing()
-        if missing:
-            logger.critical("missing required command: {0}".format(missing))
-            sys.exit(1)
-        """
-
         # do we have a proper yum base object?
         logger.info("checking yum base object")
         if not isinstance(ybo, yum.YumBase):

src/pylorax/constants.py

@@ -59,17 +59,6 @@ class LoraxRequiredCommands(dict):
     def __getattr__(self, attr):
         return self[attr]
 
-    def get_missing(self):
-        missing = []
-        for cmd in self.values():
-            found = [joinpaths(path, cmd) for path in self.__path
-                     if os.path.exists(joinpaths(path, cmd))]
-
-            if not found:
-                missing.append(cmd)
-
-        return missing
-
 
 # kernel types
 K_NORMAL = 0