Remove duplicate codecov config

.codecov.yml

@@ -1,10 +1,10 @@
-# show coverage in CI status, not as a comment. Never consider it a failure.
+# show coverage in CI status, not as a comment. 
 comment: off
 coverage:
   status:
     project:
       default:
-        target: 0%
+        target: 20%
     patch:
       default:
-        target: 0%
+        target: auto 

codecov.yml

@@ -1,10 +0,0 @@
-comment:
-  layout: header, changes, diff
-coverage:
-  status:
-    patch:
-      default:
-        target: '20'
-    project:
-      default:
-        target: auto