dt-bindings: input: Drop unneeded quotes

Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.

Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Reviewed-by: Mattijs Korpershoek <[e-mail]> # for mediatek,mt6779-keypad.yaml
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Rob Herring <[e-mail]>

Documentation/devicetree/bindings/input/adc-joystick.yaml

···
 # Copyright 2019-2020 Artur Rojek
 %YAML 1.2
 ---
-$id: "http://devicetree.org/schemas/input/adc-joystick.yaml#"
-$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+$id: http://devicetree.org/schemas/input/adc-joystick.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: ADC attached joystick
 

Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml

···
       contains:
         const: google,cros-ec-keyb
 then:
-  $ref: "/schemas/input/matrix-keymap.yaml#"
+  $ref: /schemas/input/matrix-keymap.yaml#
   required:
     - keypad,num-rows
     - keypad,num-columns

Documentation/devicetree/bindings/input/imx-keypad.yaml

···
   - Liu Ying <[e-mail]>
 
 allOf:
-  - $ref: "/schemas/input/matrix-keymap.yaml#"
+  - $ref: /schemas/input/matrix-keymap.yaml#
 
 description: |
   The KPP is designed to interface with a keypad matrix with 2-point contact

Documentation/devicetree/bindings/input/matrix-keymap.yaml

···
 
 properties:
   linux,keymap:
-    $ref: '/schemas/types.yaml#/definitions/uint32-array'
+    $ref: /schemas/types.yaml#/definitions/uint32-array
     description: |
       An array of packed 1-cell entries containing the equivalent of row,
       column and linux key-code. The 32-bit big endian cell is packed as:

Documentation/devicetree/bindings/input/mediatek,mt6779-keypad.yaml

···
   - Mattijs Korpershoek <[e-mail]>
 
 allOf:
-  - $ref: "/schemas/input/matrix-keymap.yaml#"
+  - $ref: /schemas/input/matrix-keymap.yaml#
 
 description: |
   Mediatek's Keypad controller is used to interface a SoC with a matrix-type

Documentation/devicetree/bindings/input/microchip,cap11xx.yaml

···
 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 %YAML 1.2
 ---
-$id: "http://devicetree.org/schemas/input/microchip,cap11xx.yaml#"
-$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+$id: http://devicetree.org/schemas/input/microchip,cap11xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: Microchip CAP11xx based capacitive touch sensors
 

Documentation/devicetree/bindings/input/pwm-vibrator.yaml

···
 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 %YAML 1.2
 ---
-$id: "http://devicetree.org/schemas/input/pwm-vibrator.yaml#"
-$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+$id: http://devicetree.org/schemas/input/pwm-vibrator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: PWM vibrator
 

Documentation/devicetree/bindings/input/regulator-haptic.yaml

···
 # SPDX-License-Identifier: GPL-2.0
 %YAML 1.2
 ---
-$id: "http://devicetree.org/schemas/input/regulator-haptic.yaml#"
-$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+$id: http://devicetree.org/schemas/input/regulator-haptic.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: Regulator Haptic
 

Documentation/devicetree/bindings/input/touchscreen/elan,elants_i2c.yaml

···
 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 %YAML 1.2
 ---
-$id: "http://devicetree.org/schemas/input/touchscreen/elan,elants_i2c.yaml#"
-$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+$id: http://devicetree.org/schemas/input/touchscreen/elan,elants_i2c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: Elantech I2C Touchscreen