arm64: dts: qcom: sdm845: kill IPA modem-remoteproc property

The "modem-remoteproc" property is no longer required for the IPA
driver, so get rid of it.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

arch/arm64/boot/dts/qcom/sdm845.dtsi

@@ -2366,8 +2366,6 @@ ipa: ipa@1e40000 {
 			qcom,smem-state-names = "ipa-clock-enabled-valid",
 						"ipa-clock-enabled";
 
-			modem-remoteproc = <&mss_pil>;
-
 			status = "disabled";
 		};