fix: allow FS mode situations when conflicting files exist (#10185)

conflicting files can exist on FS at
`.minio.sys/buckets/testbucket/policy.json/`, this is an
expected valid scenario for FS mode allow it to work,
i.e ignore and move forward

cmd/fs-v1-helpers.go

@@ -256,7 +256,6 @@ func fsOpenFile(ctx context.Context, readPath string, offset int64) (io.ReadClos
 
 	// Verify if its not a regular file, since subsequent Seek is undefined.
 	if !st.Mode().IsRegular() {
-		logger.LogIf(ctx, errIsNotRegular)
 		return nil, 0, errIsNotRegular
 	}