Fix typos in Chinese (Traditional) translation

* src/android/app/src/main/res/values-zh-rTW/strings.xml: Remove extra 'string' from shader backend options.

src/android/app/src/main/res/values-zh-rTW/strings.xml

@@ -154,8 +154,8 @@
     <string name="shader_backend">著色器後端</string>
     <string name="shader_backend_description">選擇著色器的編譯與轉譯方式</string>
     <string name="shader_backend_glsl">GLSL</string>
-    <string name="shader_backend_glasm">GLASM</string>string>
-    <string name="shader_backend_spirv">Spir-V</string>string>
+    <string name="shader_backend_glasm">GLASM</string>
+    <string name="shader_backend_spirv">Spir-V</string>
 
     <!-- NVDEC Emulation -->
     <string name="nvdec_emulation">NVDEC模擬</string>