feat(messaging): remove non-functional emoji button (#102)

app/src/main/java/de/bollwerk/app/ui/messaging/ChatScreen.kt

@@ -17,7 +17,6 @@ import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
 import androidx.compose.material.icons.automirrored.filled.Send
-import androidx.compose.material.icons.outlined.Face
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
@@ -33,9 +32,6 @@ import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.focus.FocusRequester
-import androidx.compose.ui.focus.focusRequester
-import androidx.compose.ui.platform.LocalSoftwareKeyboardController
 import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
@@ -157,32 +153,17 @@ private fun MessageInputBar(
     onSend: () -> Unit,
     isSending: Boolean
 ) {
-    val focusRequester = remember { FocusRequester() }
-    val keyboardController = LocalSoftwareKeyboardController.current
-
     Row(
         modifier = Modifier
             .fillMaxWidth()
             .padding(8.dp),
         verticalAlignment = Alignment.CenterVertically
     ) {
-        IconButton(
-            onClick = {
-                focusRequester.requestFocus()
-                keyboardController?.show()
-            }
-        ) {
-            Icon(
-                imageVector = Icons.Outlined.Face,
-                contentDescription = "Emoji-Tastatur"
-            )
-        }
         OutlinedTextField(
             value = text,
             onValueChange = onTextChange,
             modifier = Modifier
-                .weight(1f)
+                .weight(1f),
-                .focusRequester(focusRequester),
             placeholder = { Text("Nachricht...") },
             maxLines = 4,
             enabled = !isSending