Revert "tests: qemucapsprobe: Fix output after switching to jansson"

This reverts commit 397447f8.

Jansson cannot parse QEMU's quirky JSON.
Revert back to yajl.

https://bugzilla.redhat.com/show_bug.cgi?id=1614569Signed-off-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>

tests/qemucapsprobemock.c

@@ -76,7 +76,6 @@ qemuMonitorSend(qemuMonitorPtr mon,
         printLineSkipEmpty("\n", stdout);
 
     printLineSkipEmpty(reformatted, stdout);
-    printLineSkipEmpty("\n", stdout);
     VIR_FREE(reformatted);
 
     return realQemuMonitorSend(mon, msg);
@@ -117,7 +116,6 @@ qemuMonitorJSONIOProcessLine(qemuMonitorPtr mon,
             printLineSkipEmpty("\n", stdout);
 
         printLineSkipEmpty(json, stdout);
-        printLineSkipEmpty("\n", stdout);
     }
 
  cleanup: