don't create infer-out/build_output directory

Summary: it's not used anywhere anymore.

Reviewed By: dulmarod

Differential Revision: D4159960

fbshipit-source-id: e6ad39f

infer/src/base/Config.ml

@@ -95,8 +95,6 @@ let checks_disabled_by_default = [
   "GLOBAL_VARIABLE_INITIALIZED_WITH_FUNCTION_OR_METHOD_CALL";
 ]
 
-let clang_build_output_dir_name = "build_output"
-
 let clang_initializer_prefix = "__infer_globals_initializer_"
 
 (** Experimental: if true do some specialized analysis of concurrent constructs. *)

infer/src/base/Config.mli

@@ -60,7 +60,6 @@ val buck_generated_folder : string
 val buck_infer_deps_file_name : string
 val captured_dir_name : string
 val checks_disabled_by_default : string list
-val clang_build_output_dir_name : string
 val clang_initializer_prefix : string
 val cpp_models_dir : string
 val csl_analysis : bool

infer/src/integration/CaptureCompilationDatabase.ml

@@ -161,5 +161,4 @@ let capture_files_in_database db_json_files =
   IList.iter
     (CompilationDatabase.decode_json_file
        compilation_database (should_add_file_to_cdb changed_files)) db_json_files;
-  create_dir (Config.results_dir // Config.clang_build_output_dir_name);
   run_compilation_database compilation_database