Update proguard rules (#105)

Author: zjns

app/proguard-rules.pro

@@ -1,21 +1,8 @@
 -adaptresourcefilecontents META-INF/xposed/java_init.list
--keepattributes RuntimeVisibleAnnotations
 
 -keep,allowobfuscation,allowoptimization public class * extends io.github.libxposed.api.XposedModule {
     public <init>(...);
-    public void onPackageLoaded(...);
-    public void onSystemServerLoaded(...);
-}
--keep,allowshrinking,allowoptimization,allowobfuscation class ** implements io.github.libxposed.api.XposedInterface$Hooker
--keepclassmembers,allowoptimization class ** implements io.github.libxposed.api.XposedInterface$Hooker {
-    public *** before(***);
-    public *** after(***);
-    public static *** before();
-    public static *** before(io.github.libxposed.api.XposedInterface$BeforeHookCallback);
-    public static void after();
-    public static void after(io.github.libxposed.api.XposedInterface$AfterHookCallback);
-    public static void after(io.github.libxposed.api.XposedInterface$AfterHookCallback, ***);
 }
 
 -repackageclasses
--allowaccessmodification
+-allowaccessmodification