Remove test workaround for pre-6.0 Zeek versions

tests/analyzer/basic.zeek

@@ -5,9 +5,8 @@
 # @TEST-EXEC: zeek-cut -C ts uid id.orig_h id.orig_p id.resp_h id.resp_p proto service history <conn.log >conn.log2 && mv conn.log2 conn.log
 # @TEST-EXEC: zeek-cut -C fuid source depth analyzers mime_type filename total_bytes <files.log >files.log.tmp && mv files.log.tmp files.log
 # @TEST-EXEC: btest-diff conn.log
-# Skip baselining of fuids on pre-6.0 versions (fuids stopped being canonified with 6.0).
-# @TEST-EXEC: zeek -b -e 'exit(Version::at_least("6.0") ? 1 : 0)' || btest-diff http.log
-# @TEST-EXEC: zeek -b -e 'exit(Version::at_least("6.0") ? 1 : 0)' || btest-diff files.log
+# @TEST-EXEC: btest-diff http.log
+# @TEST-EXEC: btest-diff files.log
 #
 # @TEST-DOC: Test HTTP analyzer with small trace.