Remove unnecessary opt-in annotations

app/src/main/kotlin/com/google/samples/apps/nowinandroid/ui/NiaApp.kt

@@ -17,7 +17,6 @@
 package com.google.samples.apps.nowinandroid.ui
 
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.ExperimentalLayoutApi
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.WindowInsetsSides
@@ -78,7 +77,6 @@ import com.google.samples.apps.nowinandroid.feature.settings.R as settingsR
 
 @OptIn(
     ExperimentalMaterial3Api::class,
-    ExperimentalLayoutApi::class,
     ExperimentalComposeUiApi::class,
 )
 @Composable

core/designsystem/src/main/kotlin/com/google/samples/apps/nowinandroid/core/designsystem/component/Chip.kt

@@ -18,7 +18,6 @@ package com.google.samples.apps.nowinandroid.core.designsystem.component
 
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.shape.CircleShape
-import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.FilterChip
 import androidx.compose.material3.FilterChipDefaults
 import androidx.compose.material3.Icon
@@ -43,7 +42,6 @@ import com.google.samples.apps.nowinandroid.core.designsystem.theme.NiaTheme
  * @param label The text label content.
  */
 @Composable
-@OptIn(ExperimentalMaterial3Api::class)
 fun NiaFilterChip(
     selected: Boolean,
     onSelectedChange: (Boolean) -> Unit,

core/ui/src/main/kotlin/com/google/samples/apps/nowinandroid/core/ui/NewsResourceCard.kt

@@ -33,7 +33,6 @@ import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.CircularProgressIndicator
-import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
@@ -78,7 +77,6 @@ import java.util.Locale
  * [NewsResource] card used on the following screens: For You, Saved
  */
 
-@OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun NewsResourceCardExpanded(
     userNewsResource: UserNewsResource,

feature/search/src/main/kotlin/com/google/samples/apps/nowinandroid/feature/search/SearchScreen.kt

@@ -55,7 +55,6 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
-import androidx.compose.ui.ExperimentalComposeUiApi
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.focus.FocusRequester
 import androidx.compose.ui.focus.focusRequester
@@ -464,7 +463,6 @@ private fun SearchToolbar(
     }
 }
 
-@OptIn(ExperimentalComposeUiApi::class)
 @Composable
 private fun SearchTextField(
     searchQuery: String,