untangle start_randomizer

not as bad as some of the functions, but still a couple control flow
errors

Randomizer.py

@@ -3124,15 +3124,11 @@ def start_randomizer(rom, settings):
                 elif nodeType == 'Boss':
                     World.add_to_majors(name)
                     BossLocations.append(name)
-                else:
-                    if nodeType == 'Data' or item == 'E-Tank':
+                elif nodeType == 'Data' or item == 'E-Tank':
                     World.add_to_majors(name)
                     if name == 'Data S3':
                         BossLocations.append(name)
-                if not 'Item' in name:
-                    if not nodeType == 'Boss':
-                        if nodeType == 'Data':
-                            pass
+                if 'Item' in name or nodeType == 'Boss' or nodeType == 'Data':
                     AreaItemLocations[areaIndex].append(name)
 
         World.ConnectAllNodes()