Fix file ends for CI

tests/circuitpython-manual/socketpool/client/host-server.py

@@ -24,4 +24,4 @@ with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
         data = conn.recv(128)
         print("got: " + str(data))
         conn.sendall(data)
-        print("sent: " + str(data))
+        print("sent: " + str(data))

tests/circuitpython-manual/socketpool/client/readme.md

@@ -43,4 +43,4 @@ Accepting connections
 Connected by ('192.168.10.128', 64509)
 got: b'Hello, world'
 sent: b'Hello, world'
-```
+```

tests/circuitpython-manual/socketpool/server/host-client.py

@@ -15,4 +15,3 @@ with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
     print("Receiving")
     data = s.recv(1024)
     print('Received', repr(data))
-