Remove galaxy theme due to ui alignment errors

- Disable galaxy theme from astro.config.mjs plugins
- Remove galaxy theme dep from package.json

Signed-off-by: Asai Neko <sugar@sne.moe>

astro.config.mjs

@@ -1,8 +1,6 @@
 // @ts-check
 import { defineConfig } from 'astro/config';
 import starlight from '@astrojs/starlight';
-import starlightThemeGalaxy from 'starlight-theme-galaxy';
-
 import mdx from '@astrojs/mdx';
 
 // https://astro.build/config
@@ -33,7 +31,7 @@ export default defineConfig({
                 },
             ],
             sidebar: [],
-            plugins: [starlightThemeGalaxy()],
+            plugins: [],
         }),
         mdx(),
     ],

package.json

@@ -13,8 +13,7 @@
         "@astrojs/mdx": "^4.3.12",
         "@astrojs/starlight": "^0.37.0",
         "astro": "^5.6.1",
-        "sharp": "^0.34.2",
-        "starlight-theme-galaxy": "^0.5.2"
+        "sharp": "^0.34.2"
     },
     "packageManager": "pnpm@10.24.0+sha512.01ff8ae71b4419903b65c60fb2dc9d34cf8bb6e06d03bde112ef38f7a34d6904c424ba66bea5cdcf12890230bf39f9580473140ed9c946fef328b6e5238a345a"
 }