MAINTAINERS: Drop my "+dt" sub-address

I never really implemented any filtering on the "+dt" sub-address, so
drop it.

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com> # for I2C
Link: https://lore.kernel.org/r/20240122211528.1719994-1-robh@kernel.orgSigned-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/gpio/mrvl-gpio.yaml

@@ -9,7 +9,7 @@ title: Marvell PXA GPIO controller
 maintainers:
   - Linus Walleij <linus.walleij@linaro.org>
   - Bartosz Golaszewski <bgolaszewski@baylibre.com>
-  - Rob Herring <robh+dt@kernel.org>
+  - Rob Herring <robh@kernel.org>
 
 allOf:
   - if:

Documentation/devicetree/bindings/i2c/i2c-pxa.yaml

@@ -7,7 +7,7 @@ $schema: http://devicetree.org/meta-schemas/core.yaml#
 title: Marvell MMP I2C controller
 
 maintainers:
-  - Rob Herring <robh+dt@kernel.org>
+  - Rob Herring <robh@kernel.org>
 
 allOf:
   - $ref: /schemas/i2c/i2c-controller.yaml#

Documentation/devicetree/bindings/rtc/sa1100-rtc.yaml

@@ -12,7 +12,7 @@ allOf:
 maintainers:
   - Alessandro Zummo <a.zummo@towertech.it>
   - Alexandre Belloni <alexandre.belloni@bootlin.com>
-  - Rob Herring <robh+dt@kernel.org>
+  - Rob Herring <robh@kernel.org>
 
 properties:
   compatible:

Documentation/devicetree/bindings/timer/mrvl,mmp-timer.yaml

@@ -9,7 +9,7 @@ title: Marvell MMP Timer
 maintainers:
   - Daniel Lezcano <daniel.lezcano@linaro.org>
   - Thomas Gleixner <tglx@linutronix.de>
-  - Rob Herring <robh+dt@kernel.org>
+  - Rob Herring <robh@kernel.org>
 
 properties:
   $nodename:

MAINTAINERS

@@ -16358,7 +16358,7 @@ S:	Supported
 F:	drivers/infiniband/ulp/opa_vnic
 
 OPEN FIRMWARE AND FLATTENED DEVICE TREE
-M:	Rob Herring <robh+dt@kernel.org>
+M:	Rob Herring <robh@kernel.org>
 L:	devicetree@vger.kernel.org
 S:	Maintained
 W:	http://www.devicetree.org/
@@ -16374,7 +16374,7 @@ K:	of_overlay_fdt_apply
 K:	of_overlay_remove
 
 OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS
-M:	Rob Herring <robh+dt@kernel.org>
+M:	Rob Herring <robh@kernel.org>
 M:	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
 M:	Conor Dooley <conor+dt@kernel.org>
 L:	devicetree@vger.kernel.org