Revert "Fix YAML Unicode characters above U+FFFF."

Needs some validation of the affected lines.

This reverts commit ac26300.

Author: scossu

scriptshifter/tables/__init__.py

@@ -64,8 +64,7 @@
 
 logger = logging.getLogger(__name__)
 
-with open(path.join(path.dirname(TABLE_DIR), "index.yml")) as fh:
-    tbl_index = load(fh, Loader=Loader)
+tbl_index = None  # Module-level index of all scripts.
 
 
 class Token(str):
@@ -166,6 +165,9 @@ def init_db():
             conn.executescript(fh.read())
 
     # Populate tables.
+    global tbl_index
+    with open(path.join(path.dirname(TABLE_DIR), "index.yml")) as fh:
+        tbl_index = load(fh, Loader=Loader)
     try:
         with conn:
             for tname, tdata in tbl_index.items():