Bug 1511307 - Remove not-ready note from docs r=chutten

Differential Revision: https://phabricator.services.mozilla.com/D14136

--HG--
extra : moz-landing-system : lando

toolkit/components/telemetry/docs/collection/histograms.rst

@@ -238,10 +238,6 @@ If this field is left out it defaults to ``all``.
 ``record_into_store``
 ---------------------
 
-.. note::
-
-   This field is not yet ready for use.
-
 Optional. This field is a list of stores this histogram should be recorded into.
 If this field is left out it defaults to ``[main]``.
 

toolkit/components/telemetry/docs/collection/scalars.rst

@@ -173,7 +173,7 @@ Optional Fields
   - ``geckoview``
   - ``all`` (record on all products)
 
-- ``record_into_store``: A list of stores this scalar should be recorded into. It defaults to ``[main]`` (*Note: This field is not yet ready to use*).
+- ``record_into_store``: A list of stores this scalar should be recorded into. It defaults to ``[main]``.
 
 String type restrictions
 ------------------------