Revert "Rename programs to instruction_processors (#3789)" (#3824)

This reverts commit 34344982a9.

scripts/cargo-install-all.sh

@@ -49,7 +49,7 @@ for crate in "${BIN_CRATES[@]}"; do
   )
 done
 
-for dir in instruction-processors/*; do
+for dir in programs/*; do
   for program in echo target/release/deps/libsolana_"$(basename "$dir")".{so,dylib,dll}; do
     if [[ -f $program ]]; then
       mkdir -p "$installDir/bin/deps"