remove gpio driver

artiq/coredevice/gpio.py

@@ -1,16 +0,0 @@
-from artiq.language.core import *
-from artiq.language.db import *
-
-
-class GPIOOut(AutoDB):
-    class DBKeys:
-        core = Device()
-        channel = Argument()
-
-    @kernel
-    def on(self):
-        syscall("gpio_set", self.channel, True)
-
-    @kernel
-    def off(self):
-        syscall("gpio_set", self.channel, False)

artiq/coredevice/runtime.py

@@ -12,7 +12,6 @@ llvm.initialize_all_targets()
 llvm.initialize_all_asmprinters()
 
 _syscalls = {
-    "gpio_set": "ib:n",
     "rtio_oe": "ib:n",
     "rtio_set": "Iii:n",
     "rtio_get_counter": "n:I",

examples/master/ddb.pyon

@@ -12,13 +12,6 @@
         "arguments": {}
     },
 
-    "led": {
-        "type": "local",
-        "module": "artiq.coredevice.gpio",
-        "class": "GPIOOut",
-        "arguments": {"channel": 0}
-    },
-
     "pmt0": {
         "type": "local",
         "module": "artiq.coredevice.rtio",