Revert "temp: enable DD_DJANGO_INSTRUMENT_MIDDLEWARE (#142)" (#151)

This reverts commit 5ace2fe.

Author: robrap

playbooks/roles/edxapp/templates/edx/app/edxapp/cms.sh.j2

@@ -20,8 +20,7 @@ export DD_TRACE_LOG_STREAM_HANDLER=false
 
 # Suppress middleware spans because there are about 100 for each request.
 # Remove (or set to true) for debugging.
-# Temporarily enabled as part of https://github.com/edx/edx-arch-experiments/issues/879
-export DD_DJANGO_INSTRUMENT_MIDDLEWARE=true
+export DD_DJANGO_INSTRUMENT_MIDDLEWARE=false
 {% endif -%}
 
 # We want to be able to toggle this on separately from DD in general.

playbooks/roles/edxapp/templates/edx/app/edxapp/lms.sh.j2

@@ -20,8 +20,7 @@ export DD_TRACE_LOG_STREAM_HANDLER=false
 
 # Suppress middleware spans because there are about 100 for each request.
 # Remove (or set to true) for debugging.
-# Temporarily enabled as part of https://github.com/edx/edx-arch-experiments/issues/879
-export DD_DJANGO_INSTRUMENT_MIDDLEWARE=true
+export DD_DJANGO_INSTRUMENT_MIDDLEWARE=false
 
 {% endif -%}
 

playbooks/roles/edxapp/templates/edx/app/edxapp/worker.sh.j2

@@ -20,8 +20,7 @@ export DD_TRACE_LOG_STREAM_HANDLER=false
 
 # Suppress middleware spans because there are about 100 for each request.
 # Remove (or set to true) for debugging.
-# Temporarily enabled as part of https://github.com/edx/edx-arch-experiments/issues/879
-export DD_DJANGO_INSTRUMENT_MIDDLEWARE=true
+export DD_DJANGO_INSTRUMENT_MIDDLEWARE=false
 {% endif -%}
 
 # We want to be able to toggle this on separately from DD in general.