MB-33463: Improve performance of unit tests
MB-33463: Improve performance of unit tests

Remove the magma testing configuration directives as they are not needed
for testing. This helps reduce I/O and improve testing performance.

Change-Id: I3bf7480cc8cfdd1b42bcd89248eb9c70cd250342
Reviewed-on: http://review.couchbase.org/116543
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@couchbase.com>

daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine