Update sensors.conf in x86_64-arista_7280r4_32qf_32df (#25036) (#25282)

Sensorsd picks up non-existent sensors and reports errors.

Signed-off-by: arista-hpandya <hpandya@arista.com>
Co-authored-by: Vineet  Mittal <46945843+vmittal-msft@users.noreply.github.com>

Author: arista-hpandya

device/arista/x86_64-arista_7280r4_32qf_32df/sensors.conf

@@ -1,4 +1,7 @@
 chip "nvme-pci-0500"
+    ignore temp2
     ignore temp3
     ignore temp4
+    ignore temp5
+    ignore temp6
     ignore temp7