chore(rel): cleanup optional headings in changelog (#756)

There were a bunch of left overs from the PR template in the changelog
itself.

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Author: jdpleiness

docs/technical-changelog.mdx

@@ -24,11 +24,7 @@ This page documents all notable changes to Sourcegraph. For more detailed change
 
 #### Others
 
-- backport 1484 to 5.9.x [#1485](https://github.com/sourcegraph/sourcegraph/pull/1485)
-  - N/A
-OPTIONAL; info at [https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c](https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c)
-- [Backport 5.9.x] Revert "Revert "Add syntactic worker to images so it gets updated in helm charts"" [#1483](https://github.com/sourcegraph/sourcegraph/pull/1483)
-  - n/a  Backport 0390b73ba7f69f7f4c9058f3d2b1609e0b939de9 from #1481
+- "Add syntactic worker to images so it gets updated in helm charts"" [#1483](https://github.com/sourcegraph/sourcegraph/pull/1483)
 
 {/* RSS={"version":"v5.9.45", "releasedAt": "2024-11-05"} */}
 
@@ -79,10 +75,8 @@ OPTIONAL; info at [https://www.notion.so/sourcegraph/Writing-a-changelog-entry-d
 #### Cody
 
 - add more API docs content [#1378](https://github.com/sourcegraph/sourcegraph/pull/1378)
-  - OPTIONAL; info at [https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c](https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c)
 - add CLI tool to compute PCW [#1349](https://github.com/sourcegraph/sourcegraph/pull/1349)
 - Add Claude 3.5 Sonnet (Latest) & Claude 3 Opus (Latest) [#1244](https://github.com/sourcegraph/sourcegraph/pull/1244)
-  - OPTIONAL; info at [https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c](https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c)
 - add Cody Audit Log [#1232](https://github.com/sourcegraph/sourcegraph/pull/1232)
 - add cody audit log table and store [#1182](https://github.com/sourcegraph/sourcegraph/pull/1182)
 - Expose token usage in the LLM API [#1070](https://github.com/sourcegraph/sourcegraph/pull/1070)
@@ -98,10 +92,8 @@ OPTIONAL; info at [https://www.notion.so/sourcegraph/Writing-a-changelog-entry-d
 #### Cody-Gateway
 
 - add new claude-3-5-haiku-latest model [#1471](https://github.com/sourcegraph/sourcegraph/pull/1471)
-  - OPTIONAL; info at [https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c](https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c)Cody Gateway: add new claude-3-5-haiku-latest & claude-3-5-opus-latest models to Cody Gateway allow list
 Cody Gateway: add new claude-3-5-haiku-latest dotcom models list  Backport 11e7481ba3c810ae5b47d32b8cf32066e2f0b2bb from #1470
 - deprecate old claude 3.5 sonnet [#1248](https://github.com/sourcegraph/sourcegraph/pull/1248)
-  - OPTIONAL; info at [https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c](https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c)
 
 #### Dev
 
@@ -169,7 +161,6 @@ that we observed on the user's incoming request
   - Adds cost estimates to the ModelConfiguration returned by `.api/llm/supported-models.json`
   - Adds `llmTokenUsageCostEstimate` telemetry value with estimates of each requests LLM cost in pennies
 - Add check for PGDATASOURCE [#1281](https://github.com/sourcegraph/sourcegraph/pull/1281)
-  - OPTIONAL; info at [https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c](https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c)
 - Add source.server.server_client.user_agent to telemetry payload [#1120](https://github.com/sourcegraph/sourcegraph/pull/1120)
   - Add the sourcegraph API client user-agent to telemetry payload types under `source.server.server_client.user_agent`.
 - check for external dbs [#1083](https://github.com/sourcegraph/sourcegraph/pull/1083)
@@ -293,7 +284,6 @@ Standard ML, Visual Basic, Pkl, Hack, MATLAB etc.
 #### Codyapi
 
 - Restrict audit log retrieval to site admins only [#1285](https://github.com/sourcegraph/sourcegraph/pull/1285)
-  - OPTIONAL; info at [https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c](https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c)
 - Add usage to completions/chat (CODY-3498) [#1131](https://github.com/sourcegraph/sourcegraph/pull/1131)
   - Added token usage information to `.api/llm/chat/completions`
 
@@ -378,7 +368,6 @@ Standard ML, Visual Basic, Pkl, Hack, MATLAB etc.
 #### Telemetry
 
 - only log Cody API events to a remote data store, do n… [#1304](https://github.com/sourcegraph/sourcegraph/pull/1304)
-  - OPTIONAL; info at [https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c](https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c)
 
 #### Telemetry-Gateway
 
@@ -545,7 +534,6 @@ Standard ML, Visual Basic, Pkl, Hack, MATLAB etc.
 - add code llama 7B model for ab test [#1371](https://github.com/sourcegraph/sourcegraph/pull/1371)
   - adding code llama 7B for completions
 - Hide auto submit checkbox and add promoted badge [#1367](https://github.com/sourcegraph/sourcegraph/pull/1367)
-  - OPTIONAL; info at [https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c](https://www.notion.so/sourcegraph/Writing-a-changelog-entry-dd997f411d524caabf0d8d38a24a878c)
 - Enable reranker by default if Gateway is enabled [#1366](https://github.com/sourcegraph/sourcegraph/pull/1366)
   - Cody Chat: the context engine now uses the reranker by default everywhere where Cody Gateway is enabled.
 - db: Set default permissions to RLS user as well [#1362](https://github.com/sourcegraph/sourcegraph/pull/1362)