removed deprecated.py from pype lib

pype/lib/deprecated.py

@@ -1,26 +0,0 @@
-import os
-
-
-def get_avalon_database():
-    """Mongo database used in avalon's io.
-
-    * Function is not used in pype 3.0 where was replaced with usage of
-    AvalonMongoDB.
-    """
-    from avalon import io
-    if io._database is None:
-        set_io_database()
-    return io._database
-
-
-def set_io_database():
-    """Set avalon's io context with environemnts.
-
-    * Function is not used in pype 3.0 where was replaced with usage of
-    AvalonMongoDB.
-    """
-    from avalon import io
-    required_keys = ["AVALON_PROJECT", "AVALON_ASSET", "AVALON_SILO"]
-    for key in required_keys:
-        os.environ[key] = os.environ.get(key, "")
-    io.install()