sqlite default-logdir test: Remove ls ./logs baseline

Observed .sqlite-journal files and missing reporter.sqlite files
in CI runs. Subsequently reading the ./test.sqlite file is more
reliable and should be good enough.

testing/btest/Baseline/scripts.base.frameworks.logging.sqlite.default-logdir/ls.logs

@@ -1,3 +0,0 @@
-### BTest baseline data generated by btest-diff. Do not edit. Use "btest -U/-u" to update. Requires BTest >= 0.63.
-./logs/reporter.sqlite
-./logs/test.sqlite

testing/btest/scripts/base/frameworks/logging/sqlite/default-logdir.zeek

@@ -5,10 +5,8 @@
 #
 # @TEST-EXEC: mkdir logs
 # @TEST-EXEC: zeek -b -r ${TRACES}/rotation.trace %INPUT >zeek.out 2>&1
-# @TEST-EXEC: ls ./logs/* > ls.logs
 # @TEST-EXEC: sqlite3 ./logs/test.sqlite 'select * from test' > test.select
 # @TEST-EXEC: btest-diff test.select
-# @TEST-EXEC: btest-diff ls.logs
 # @TEST-EXEC: btest-diff zeek.out
 #
 # @TEST-DOC: Configure Log::default_writer, Log::default_logdir and ensure the test.sqlite database is in ./logs