Revert "feat: enable OpenTelemetry in all GitHub agentic workflows (#1617)"

This reverts commit 98e7d4e.

Author: v1v

.github/workflows/agent-deep-dive.lock.yml

@@ -3,7 +3,6 @@ inlined-imports: true
 name: "Internal: Agent Deep Dive"
 description: "Deep dive a specific agent workflow's recent runs to understand behavior and surface detailed recommendations"
 imports:
-  - gh-aw-fragments/observability.md
   - gh-aw-fragments/elastic-tools.md
   - gh-aw-fragments/runtime-setup.md
   - gh-aw-fragments/formatting.md

.github/workflows/agent-deep-dive.md

@@ -3,7 +3,6 @@ inlined-imports: true
 name: "Internal: Agent Efficiency"
 description: "Analyze agent workflow logs for inefficiencies, errors, and prompt improvement opportunities"
 imports:
-  - gh-aw-fragments/observability.md
   - gh-aw-fragments/elastic-tools.md
   - gh-aw-fragments/runtime-setup.md
   - gh-aw-fragments/formatting.md

.github/workflows/agent-efficiency.lock.yml

@@ -3,7 +3,6 @@ inlined-imports: true
 name: "Agent Suggestions"
 description: "Suggest new agent workflows based on repo needs and downstream activity"
 imports:
-  - gh-aw-fragments/observability.md
   - gh-aw-fragments/elastic-tools.md
   - gh-aw-fragments/runtime-setup.md
   - gh-aw-fragments/formatting.md

.github/workflows/agent-efficiency.md

@@ -3,7 +3,6 @@ inlined-imports: true
 name: "Autonomy Atomicity Analyzer"
 description: "Find patterns that block concurrent development by multiple agents or developers"
 imports:
-  - gh-aw-fragments/observability.md
   - gh-aw-fragments/elastic-tools.md
   - gh-aw-fragments/runtime-setup.md
   - gh-aw-fragments/formatting.md

.github/workflows/gh-aw-agent-suggestions.lock.yml

@@ -2,7 +2,6 @@
 inlined-imports: true
 description: "Analyze failed branch CI runs and create or update a tracking issue"
 imports:
-  - gh-aw-fragments/observability.md
   - gh-aw-fragments/elastic-tools.md
   - gh-aw-fragments/runtime-setup.md
   - gh-aw-fragments/formatting.md