Drop pyserial-asyncio from zha

This may not be possible yet, but the long term goal is to get
rid of pyserial-asyncio everywhere so we can prevent future
integrations from using it and than we have to go though the
effort of getting them to replace it with pyserial-asyncio-fast
to avoid the event loop being blocked

needed for https://github.com/home-assistant/core/pull/116635

homeassistant/components/zha/manifest.json

@@ -23,7 +23,6 @@
   "requirements": [
     "bellows==0.38.3",
     "pyserial==3.5",
-    "pyserial-asyncio==0.6",
     "zha-quirks==0.0.115",
     "zigpy-deconz==0.23.1",
     "zigpy==0.64.0",

requirements_all.txt

@@ -2123,7 +2123,6 @@ pysensibo==1.0.36
 pyserial-asyncio-fast==0.11
 
 # homeassistant.components.serial
-# homeassistant.components.zha
 pyserial-asyncio==0.6
 
 # homeassistant.components.acer_projector

requirements_test_all.txt

@@ -1661,10 +1661,6 @@ pysensibo==1.0.36
 # homeassistant.components.zha
 pyserial-asyncio-fast==0.11
 
-# homeassistant.components.serial
-# homeassistant.components.zha
-pyserial-asyncio==0.6
-
 # homeassistant.components.acer_projector
 # homeassistant.components.crownstone
 # homeassistant.components.usb