Remove stdin/stdout methods from DebugAdapter

(these issues are now handled with separate terminal emulator)

Author: lwerdna

DebugAdapter.py

@@ -287,8 +287,3 @@ def set_timeout(self):
 	def kill_comms(self):
 		raise NotImplementedError('')
 
-	# send data to process stdin
-	def stdin_write(self, data):
-		raise NotImplementedError('')
-	def stdin_is_writable(self):
-		raise NotImplementedError('')

QueuedAdapter.py

@@ -208,9 +208,3 @@ def raw(self, data):
 		self.record_stat("raw")
 		return self.submit(lambda: self.adapter.raw(data))
 
-	def stdin_write(self, data):
-		self.record_stat("stdin_write")
-		return self.submit(lambda: self.adapter.stdin_write(data))
-	def stdin_is_writable(self, data):
-		self.record_stat("stdin_is_writable")
-		return self.submit(lambda: self.adapter.stdin_is_writable(data))