Remove profiler output and replace with a raw event dump

Related to #58372

Author: wesleywiser

src/librustc/session/config.rs

@@ -1398,9 +1398,7 @@ options! {DebuggingOptions, DebuggingSetter, basic_debugging_options,
     crate_attr: Vec<String> = (Vec::new(), parse_string_push, [TRACKED],
         "inject the given attribute in the crate"),
     self_profile: bool = (false, parse_bool, [UNTRACKED],
-        "run the self profiler"),
-    profile_json: bool = (false, parse_bool, [UNTRACKED],
-        "output a json file with profiler results"),
+        "run the self profiler and output the raw event data"),
     emit_stack_sizes: bool = (false, parse_bool, [UNTRACKED],
         "emits a section containing stack size metadata"),
     plt: Option<bool> = (None, parse_opt_bool, [TRACKED],