remove obsoleted custom help function from code. replaced by builtin help from discord.py

jeevesbot/bothelp.py

@@ -1,19 +0,0 @@
-keywords = ['roll']
-
-def help(keyword=''):
-    """Filter for general help or specific keyword help."""
-    if not keyword:
-        file = open('help/help.md')
-        contents = file.read()
-        return format((contents))
-    if keyword[0]:
-        keyword = str.lower(keyword)
-        if keyword in keywords:
-            document = 'help/help_' + keyword + '.md'
-            file = open(document, 'r')
-            contents = file.read()
-            return format((contents))
-        else:
-            file = open('help/help.md')
-            contents = file.read()
-            return format((contents))