chore: remove RestartBiomeServerAction and related plugin entry. (#110)

Eliminated the RestartBiomeServerAction class and its plugin.xml registration, streamlining the codebase. Updated the README to include instructions for enabling code formatting, offering a clearer feature guide to users.

README.md

@@ -53,6 +53,13 @@ There are several reasons to behave like this:
 
 This setting overrides the Biome binary used by the plugin.
 
+#### Enabling Code Formatting
+
+To enable formatting, open Biome settings and enable **LSP-based Code Formatting**. This feature allows you to format code using the designated hotkey (<kbd>⌥⇧⌘+L</kbd> or <kbd>Ctrl+Alt+L</kbd>).
+
+If you want to format code on save, navigate to **Actions on Save** settings and enable **Reformat Code**, specifying the desired file types.
+
+
 ### Supported IDEs
 
 This plugin is currently supported in the following IDEs:

src/main/resources/META-INF/plugin.xml

@@ -67,19 +67,4 @@
     <listener class="com.github.biomejs.intellijbiome.listeners.BiomeConfigListener"
               topic="com.intellij.openapi.vfs.newvfs.BulkFileListener"/>
   </projectListeners>
-  <actions>
-    <group
-      id="com.github.biomejs.intellijbiome.actions-group"
-      text="Biome"
-      icon="/icons/pluginIcon.svg"
-      popup="true"
-    >
-      <add-to-group group-id="ToolsMenu"/>
-      <action
-        id="com.github.biomejs.intellijbiome.restart-lsp-action"
-        class="com.github.biomejs.intellijbiome.actions.RestartBiomeServerAction"
-        text="Restart LSP Server"
-      />
-    </group>
-  </actions>
 </idea-plugin>