removed duplicate mem_limit arg desc; type now consistent accross models (float->int)

Signed-off-by: Peter Slovak <[email protected]>

Author: peter-slovak

docker/models/containers.py

@@ -510,14 +510,12 @@ def run(self, image, command=None, stdout=True, stderr=False,
                   driver.
 
             mac_address (str): MAC address to assign to the container.
-            mem_limit (float or str): Memory limit. Accepts float values
+            mem_limit (int or str): Memory limit. Accepts float values
                 (which represent the memory limit of the created container in
                 bytes) or a string with a units identification char
                 (``100000b``, ``1000k``, ``128m``, ``1g``). If a string is
                 specified without a units character, bytes are assumed as an
                 intended unit.
-            mem_limit (str or int): Maximum amount of memory container is
-                allowed to consume. (e.g. ``1G``).
             mem_swappiness (int): Tune a container's memory swappiness
                 behavior. Accepts number between 0 and 100.
             memswap_limit (str or int): Maximum amount of memory + swap a