Fix catalog ext.

esm_cat_generator.py

@@ -90,18 +90,11 @@ class Process(object):
                     # Append entry to final list.
                     self.entries.append(entry)
 
-            catname = '_'.join(source.split('/')[2:-1])
-            catpath = os.path.join(self.outcat, self.project, catname)
-
-            # Remove existing catalog files.
-            try:
-                for ext in [CSV_EXTENSION, JSON_EXTENSION]:
-                    os.remove(catpath + ext)
-            except OSError:
-                pass
-
-            # Write CSV catalog.
-            make_csv(catpath + CSV_EXTENSION, self.entries)
+                catname = '_'.join(source.split('/')[2:-1])
+                catpath = os.path.join(self.outcat, self.project, catname)
+
+                # Write CSV catalog.
+                make_csv(catpath + CSV_EXTENSION, self.entries)
 
         except Exception as e:
             print(source, e)