dt-bindings: arm: Remove leftover axentia.txt

The bindings described in axentia.txt are already covered by
atmel-at91.yaml, so remove the file.

Cc: Peter Rosin <peda@axentia.se>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/arm/axentia.txt b/Documentation/devicetree/bindings/arm/axentia.txt
deleted file mode 100644
index de58f24..0000000
--- a/Documentation/devicetree/bindings/arm/axentia.txt
+++ /dev/null
@@ -1,28 +0,0 @@
-Device tree bindings for Axentia ARM devices
-============================================
-
-Linea CPU module
-----------------
-
-Required root node properties:
-compatible = "axentia,linea",
-	     "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";
-and following the rules from atmel-at91.txt for a sama5d31 SoC.
-
-
-Nattis v2 board with Natte v2 power board
------------------------------------------
-
-Required root node properties:
-compatible = "axentia,nattis-2", "axentia,natte-2", "axentia,linea",
-	     "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";
-and following the rules from above for the axentia,linea CPU module.
-
-
-TSE-850 v3 board
-----------------
-
-Required root node properties:
-compatible = "axentia,tse850v3", "axentia,linea",
-	     "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";
-and following the rules from above for the axentia,linea CPU module.
diff --git a/MAINTAINERS b/MAINTAINERS
index e5bc1ba..eef26a8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2859,7 +2859,6 @@
 M:	Peter Rosin <peda@axentia.se>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
-F:	Documentation/devicetree/bindings/arm/axentia.txt
 F:	arch/arm/boot/dts/at91-linea.dtsi
 F:	arch/arm/boot/dts/at91-natte.dtsi
 F:	arch/arm/boot/dts/at91-nattis-2-natte-2.dts