Revert reversion of TensorFlow 2.9 update

With the errors caused by the previous TensorFlow 2.9 update
being fixed, we can proceed with the upgrade.

Signed-off-by: erik.andersson@arm.com <erik.andersson@arm.com>
Change-Id: Ie1f025e8d984efaebc68b8d051126d49bee6b2b8
diff --git a/ethosu/vela/tflite/UnidirectionalSequenceLSTMOptions.py b/ethosu/vela/tflite/UnidirectionalSequenceLSTMOptions.py
index 374a33a..b734f3f 100644
--- a/ethosu/vela/tflite/UnidirectionalSequenceLSTMOptions.py
+++ b/ethosu/vela/tflite/UnidirectionalSequenceLSTMOptions.py
@@ -3,27 +3,17 @@
 # namespace: tflite
 
 import flatbuffers
-from flatbuffers.compat import import_numpy
-np = import_numpy()
 
 class UnidirectionalSequenceLSTMOptions(object):
     __slots__ = ['_tab']
 
     @classmethod
-    def GetRootAs(cls, buf, offset=0):
+    def GetRootAsUnidirectionalSequenceLSTMOptions(cls, buf, offset):
         n = flatbuffers.encode.Get(flatbuffers.packer.uoffset, buf, offset)
         x = UnidirectionalSequenceLSTMOptions()
         x.Init(buf, n + offset)
         return x
 
-    @classmethod
-    def GetRootAsUnidirectionalSequenceLSTMOptions(cls, buf, offset=0):
-        """This method is deprecated. Please switch to GetRootAs."""
-        return cls.GetRootAs(buf, offset)
-    @classmethod
-    def UnidirectionalSequenceLSTMOptionsBufferHasIdentifier(cls, buf, offset, size_prefixed=False):
-        return flatbuffers.util.BufferHasIdentifier(buf, offset, b"\x54\x46\x4C\x33", size_prefixed=size_prefixed)
-
     # UnidirectionalSequenceLSTMOptions
     def Init(self, buf, pos):
         self._tab = flatbuffers.table.Table(buf, pos)
@@ -63,31 +53,10 @@
             return bool(self._tab.Get(flatbuffers.number_types.BoolFlags, o + self._tab.Pos))
         return False
 
-def Start(builder): builder.StartObject(5)
-def UnidirectionalSequenceLSTMOptionsStart(builder):
-    """This method is deprecated. Please switch to Start."""
-    return Start(builder)
-def AddFusedActivationFunction(builder, fusedActivationFunction): builder.PrependInt8Slot(0, fusedActivationFunction, 0)
-def UnidirectionalSequenceLSTMOptionsAddFusedActivationFunction(builder, fusedActivationFunction):
-    """This method is deprecated. Please switch to AddFusedActivationFunction."""
-    return AddFusedActivationFunction(builder, fusedActivationFunction)
-def AddCellClip(builder, cellClip): builder.PrependFloat32Slot(1, cellClip, 0.0)
-def UnidirectionalSequenceLSTMOptionsAddCellClip(builder, cellClip):
-    """This method is deprecated. Please switch to AddCellClip."""
-    return AddCellClip(builder, cellClip)
-def AddProjClip(builder, projClip): builder.PrependFloat32Slot(2, projClip, 0.0)
-def UnidirectionalSequenceLSTMOptionsAddProjClip(builder, projClip):
-    """This method is deprecated. Please switch to AddProjClip."""
-    return AddProjClip(builder, projClip)
-def AddTimeMajor(builder, timeMajor): builder.PrependBoolSlot(3, timeMajor, 0)
-def UnidirectionalSequenceLSTMOptionsAddTimeMajor(builder, timeMajor):
-    """This method is deprecated. Please switch to AddTimeMajor."""
-    return AddTimeMajor(builder, timeMajor)
-def AddAsymmetricQuantizeInputs(builder, asymmetricQuantizeInputs): builder.PrependBoolSlot(4, asymmetricQuantizeInputs, 0)
-def UnidirectionalSequenceLSTMOptionsAddAsymmetricQuantizeInputs(builder, asymmetricQuantizeInputs):
-    """This method is deprecated. Please switch to AddAsymmetricQuantizeInputs."""
-    return AddAsymmetricQuantizeInputs(builder, asymmetricQuantizeInputs)
-def End(builder): return builder.EndObject()
-def UnidirectionalSequenceLSTMOptionsEnd(builder):
-    """This method is deprecated. Please switch to End."""
-    return End(builder)
\ No newline at end of file
+def UnidirectionalSequenceLSTMOptionsStart(builder): builder.StartObject(5)
+def UnidirectionalSequenceLSTMOptionsAddFusedActivationFunction(builder, fusedActivationFunction): builder.PrependInt8Slot(0, fusedActivationFunction, 0)
+def UnidirectionalSequenceLSTMOptionsAddCellClip(builder, cellClip): builder.PrependFloat32Slot(1, cellClip, 0.0)
+def UnidirectionalSequenceLSTMOptionsAddProjClip(builder, projClip): builder.PrependFloat32Slot(2, projClip, 0.0)
+def UnidirectionalSequenceLSTMOptionsAddTimeMajor(builder, timeMajor): builder.PrependBoolSlot(3, timeMajor, 0)
+def UnidirectionalSequenceLSTMOptionsAddAsymmetricQuantizeInputs(builder, asymmetricQuantizeInputs): builder.PrependBoolSlot(4, asymmetricQuantizeInputs, 0)
+def UnidirectionalSequenceLSTMOptionsEnd(builder): return builder.EndObject()