Drop non-required SDK level checks for Android 6.0

Minimum supported version is now Android 6.0

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/main/java/com/aurora/extensions/Context.kt

@@ -143,11 +143,7 @@ fun Context.getStyledAttributeColor(id: Int): Int {
 }
 
 fun Context.isIgnoringBatteryOptimizations(): Boolean {
-    return if (isMAndAbove) {
-        (getSystemService<PowerManager>())?.isIgnoringBatteryOptimizations(packageName) ?: true
-    } else {
-        true
-    }
+    return getSystemService<PowerManager>()?.isIgnoringBatteryOptimizations(packageName) ?: true
 }
 
 fun Context.areNotificationsEnabled(): Boolean {

app/src/main/java/com/aurora/extensions/Platform.kt

@@ -24,9 +24,6 @@ import android.annotation.SuppressLint
 import android.os.Build
 import java.util.Locale
 
-val isMAndAbove: Boolean
-    get() = Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
-
 val isNAndAbove: Boolean
     get() = Build.VERSION.SDK_INT >= Build.VERSION_CODES.N