remove arrow flight, client from codecov as the package is non opense…

…arch is just for overriding purpose

Signed-off-by: Rishabh Maurya <[email protected]>

codecov.yml

@@ -4,6 +4,7 @@ codecov:
 ignore:
   - "test"
   - "benchmarks"
+  - "plugins/arrow-flight-rpc/**/org/apache/arrow/flight/**"
 
 coverage:
   precision: 2