Relocate native programs to deps/ subdirectory of the current executable

This layout is `cargo build` compatible, no post-build file moves
required.

ci/publish-solana-tar.sh

@@ -45,7 +45,7 @@ echo --- Creating tarball
 
   cargo install --path drone --root solana-release
   cargo install --path . --root solana-release
-  ./scripts/install-native-programs.sh solana-release/bin release
+  ./scripts/install-native-programs.sh solana-release/bin/deps/ release
 
   ./fetch-perf-libs.sh
   # shellcheck source=/dev/null

ci/test-stable.sh

@@ -50,7 +50,5 @@ echo --- ci/localnet-sanity.sh
   set -x
   # Assume |cargo build| has populated target/debug/ successfully.
   export PATH=$PWD/target/debug:$PATH
-  # Move programs into the executable location so native_loader can find them
-  scripts/install-native-programs.sh "$PWD"/target/debug debug
   USE_INSTALL=1 ci/localnet-sanity.sh
 )