Revert "android: Fix display scaling issue on some devices"

This reverts commit b9f5ff9.

composeApp/src/androidMain/kotlin/top/yukonga/updater/kmp/MainActivity.kt

@@ -1,35 +1,16 @@
 package top.yukonga.updater.kmp
 
 import App
-import android.content.res.Resources
 import android.os.Build
 import android.os.Bundle
-import android.util.DisplayMetrics
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
-import kotlin.math.pow
-import kotlin.math.sqrt
 
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
-        val displayMetrics = Resources.getSystem().displayMetrics
-        val widthPixels = displayMetrics.widthPixels
-        val heightPixels = displayMetrics.heightPixels
-        val widthInches = widthPixels / displayMetrics.xdpi
-        val heightInches = heightPixels / displayMetrics.ydpi
-        val diagonalPixel = sqrt(widthPixels.toDouble().pow(2.0) + heightPixels.toDouble().pow(2.0))
-        val screenInches = sqrt(widthInches.toDouble().pow(2.0) + heightInches.toDouble().pow(2.0))
-        val actualDensityDpi = diagonalPixel / screenInches
-        val actualDensity = actualDensityDpi / DisplayMetrics.DENSITY_DEFAULT
-
-        val metrics = resources.displayMetrics
-        metrics.density = actualDensity.toFloat()
-        metrics.densityDpi = actualDensityDpi.toInt()
-        resources.displayMetrics.setTo(metrics)
-
         AndroidAppContext.init(this)
         enableEdgeToEdge()
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {