Clean up markdown nesting. (#252)

Co-authored-by: TC <>

expansion-packs/bmad-infrastructure-devops/README.md

@@ -66,13 +66,13 @@ To install this expansion pack, run:
 
 ```bash
 npm run install:expansion infrastructure
-```text
+```
 
 Or manually:
 
 ```bash
 node tools/install-expansion-pack.js infrastructure
-```text
+```
 
 This will:
 
@@ -92,7 +92,7 @@ After the main architecture is complete:
 
 # Or directly with DevOps agent
 npm run agent devops
-```text
+```
 
 ### 2. Platform Implementation