lsp: Remove reinstall, update config (#18318)

Release Notes:

- Fixed overriding the path of a language server binary for all language
servers. `{"lsp":{"<lsp-name>":{"binary":{"path": "_"}}}}` will now work
for all language servers including those defined by extensions.
- (breaking change) To disable finding lsp adapters in your path, you
must now specify
`{"lsp":{"<lsp-name>":{"binary":{"ignore_system_version": true}}}}`.
Previously this was `{"lsp":{"<lsp-name>":{"binary":{"path_lookup":
false}}}}`. Note that this setting still does not apply to extensions.
- Removed automatic reinstallation of language servers. (It mostly
didn't work)

---------

Co-authored-by: Mikayla <mikayla@zed.dev>

crates/extension/src/extension_lsp_adapter.rs

@@ -10,16 +10,11 @@ use gpui::AsyncAppContext;
 use language::{
     CodeLabel, HighlightId, Language, LanguageServerName, LspAdapter, LspAdapterDelegate,
 };
-use lsp::{CodeActionKind, LanguageServerBinary};
+use lsp::{CodeActionKind, LanguageServerBinary, LanguageServerBinaryOptions};
 use serde::Serialize;
 use serde_json::Value;
 use std::ops::Range;
-use std::{
-    any::Any,
-    path::{Path, PathBuf},
-    pin::Pin,
-    sync::Arc,
-};
+use std::{any::Any, path::PathBuf, pin::Pin, sync::Arc};
 use util::{maybe, ResultExt};
 use wasmtime_wasi::WasiView as _;
 
@@ -38,8 +33,8 @@ impl LspAdapter for ExtensionLspAdapter {
 
     fn get_language_server_command<'a>(
         self: Arc<Self>,
-        _: Option<Arc<Path>>,
         delegate: Arc<dyn LspAdapterDelegate>,
+        _: LanguageServerBinaryOptions,
         _: futures::lock::MutexGuard<'a, Option<LanguageServerBinary>>,
         _: &'a mut AsyncAppContext,
     ) -> Pin<Box<dyn 'a + Future<Output = Result<LanguageServerBinary>>>> {
@@ -124,10 +119,6 @@ impl LspAdapter for ExtensionLspAdapter {
         unreachable!("get_language_server_command is overridden")
     }
 
-    async fn installation_test_binary(&self, _: PathBuf) -> Option<LanguageServerBinary> {
-        None
-    }
-
     fn code_action_kinds(&self) -> Option<Vec<CodeActionKind>> {
         let code_action_kinds = self
             .extension