docs: update typos in release_policy.mdx (#31397)

Deleted two outdated phrases that were reflecting the current versions
of packages at the time i.e.: 1-"langchain-community is currently on
version 0.2.x." 2-langchain-"experimental is currently on version 0.0.x"

Author: haniehm

docs/docs/versions/release_policy.mdx

@@ -30,8 +30,6 @@ From time to time, we will version packages as **release candidates**. These are
 
 ### `langchain-community`
 
-`langchain-community` is currently on version `0.2.x`.
-
 Minor version increases will occur for:
 
 - Updates to the major/minor versions of required `langchain-x` dependencies. E.g., when updating the required version of `langchain-core` from `^0.2.x` to `0.3.0`.
@@ -49,7 +47,7 @@ However, if an external API makes a breaking change then breaking changes to the
 
 ### `langchain-experimental`
 
-`langchain-experimental` is currently on version `0.0.x`. All changes will be accompanied with patch version increases.
+All changes will be accompanied with patch version increases.
 
 ## Release cadence
 
@@ -99,4 +97,4 @@ When a feature is deprecated, it will continue to work in the current and next m
 
 Since we're expecting to space out minor releases by at least 2-3 months, this means that a feature can be removed within 2-6 months of being deprecated.
 
-In some situations, we may allow the feature to remain in the code base for longer periods of time, if it's not causing issues in the packages, to reduce the burden on users.
+In some situations, we may allow the feature to remain in the code base for longer periods of time, if it's not causing issues in the packages, to reduce the burden on users.