LAVA: Deprecate redundant codes in LAVA helper

LAVA monitor only relies on bl2, regression tests and psa arch tests.
This patch updates the LAVA helper logics to select LAVA monitor in a
much easier way, instead of looping all build params.

Signed-off-by: Xinyu Zhang <xinyu.zhang@arm.com>
Change-Id: Ic00ce2ac308dcf4bd502212bb4e56234576b430f
diff --git a/lava_helper/jinja2_templates/stm32l562e_dk.jinja2 b/lava_helper/jinja2_templates/stm32l562e_dk.jinja2
index dbe9bcb..8c00dd7 100644
--- a/lava_helper/jinja2_templates/stm32l562e_dk.jinja2
+++ b/lava_helper/jinja2_templates/stm32l562e_dk.jinja2
@@ -20,7 +20,7 @@
 
     - test:
         monitors:
-        {%- for monitor in test.monitors %}
+        {%- for monitor in monitors %}
         - name: "{{monitor.name}}"
           start: "{{monitor.start}}"
           end: "{{monitor.end}}"
@@ -37,9 +37,6 @@
 {% block metadata %}
 metadata:
   build_no: {{ build_no }}
-  compiler: {{ compiler }}
-  build_type: {{ build_type }}
-  boot_type: {{ boot_type }}
   name: {{ name }}
   platform: {{ platform }}
   build_name: {{ build_name }}