Remove test Thing that is is never used.

src/openflexure_microscope_server/things/test.py

@@ -1,32 +0,0 @@
-"""
-OpenFlexure Microscope API test Thing
-
-This Thing is intended only for use testing out the API and client(s).
-"""
-
-from labthings_fastapi.thing import Thing
-from labthings_fastapi.decorators import thing_action, thing_property
-from labthings_fastapi.dependencies.invocation import CancelHook, InvocationLogger
-
-
-class APITestThing(Thing):
-    _counter: int = 0
-
-    @thing_property
-    def counter(self) -> int:
-        return self._counter
-
-    @thing_action
-    def count_slowly(
-        self,
-        cancel: CancelHook,
-        logger: InvocationLogger,
-        n=100,
-        dt=0.1,
-    ) -> None:
-        for i in range(n):
-            self._counter = i
-            print(f"counted to {i}")
-            logger.info(f"Counted to {i}")
-            cancel.sleep(dt)
-        self._counter = n