Fixed namespace of prerelease search snippets

Author: lsierant

scripts/dev/contexts/prerelease_kind_code_snippets

@@ -9,7 +9,6 @@ script_dir=$(dirname "${script_name}")
 
 source "${script_dir}/root-context"
 
-export NAMESPACE=mongodb
 export CODE_SNIPPETS_FLAVOR=e2e_prerelease
 export CODE_SNIPPETS_COMMIT_OUTPUT=true
 export ops_manager_version="cloud_qa"