Use the term "edit prediction" over "inline completion" (#24211)

Note that this does *not* involve any breaking code changes.

cc @0xtimsb - I didn't change any settings or anything here. That can
happen separately!

Release Notes:

- N/A

assets/settings/default.json

@@ -24,7 +24,7 @@
   "base_keymap": "VSCode",
   // Features that can be globally enabled or disabled
   "features": {
-    // Which inline completion provider to use.
+    // Which edit prediction provider to use.
     "inline_completion_provider": "copilot"
   },
   // The name of a font to use for rendering text in the editor
@@ -161,8 +161,8 @@
   /// Whether to show the signature help after completion or a bracket pair inserted.
   /// If `auto_signature_help` is enabled, this setting will be treated as enabled also.
   "show_signature_help_after_edits": false,
-  /// Whether to show the inline completions next to the completions provided by a language server.
-  /// Only has an effect if inline completion provider supports it.
+  /// Whether to show the edit predictions next to the completions provided by a language server.
+  /// Only has an effect if edit prediction provider supports it.
   "show_inline_completions_in_menu": true,
   // Whether to show wrap guides (vertical rulers) in the editor.
   // Setting this to true will show a guide at the 'preferred_line_length' value
@@ -196,10 +196,10 @@
   // Otherwise(when `true`), the closing characters are always skipped over and auto-removed
   // no matter how they were inserted.
   "always_treat_brackets_as_autoclosed": false,
-  // Controls whether inline completions are shown immediately (true)
+  // Controls whether edit predictions are shown immediately (true)
   // or manually by triggering `editor::ShowInlineCompletion` (false).
   "show_inline_completions": true,
-  // Controls whether inline completions are shown in a given language scope.
+  // Controls whether edit predictions are shown in a given language scope.
   // Example: ["string", "comment"]
   "inline_completions_disabled_in": [],
   // Whether to show tabs and spaces in the editor.
@@ -775,7 +775,7 @@
   //      "load_direnv": "shell_hook"
   "load_direnv": "direct",
   "inline_completions": {
-    // A list of globs representing files that inline completions should be disabled for.
+    // A list of globs representing files that edit predictions should be disabled for.
     "disabled_globs": [
       "**/.env*",
       "**/*.pem",