Merge native programs parts into one unit (#7047)

ci/nits.sh

@@ -26,10 +26,8 @@ declare print_free_tree=(
   'sdk/bpf/rust/rust-utils'
   'sdk/src'
   'programs/bpf/rust'
-  'programs/stake_api/src'
-  'programs/stake_program/src'
-  'programs/vote_api/src'
-  'programs/vote_program/src'
+  'programs/stake/src'
+  'programs/vote/src'
 )
 
 if _ git --no-pager grep -n --max-depth=0 "${prints[@]/#/-e }" -- "${print_free_tree[@]}"; then