style: cleanup

Signed-off-by: sds100 <developer.sds100@gmail.com>

Author: sds100

app/src/main/java/com/mapcode/MainActivity.kt

@@ -6,7 +6,6 @@ import androidx.activity.compose.setContent
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material.MaterialTheme
 import androidx.compose.material.Surface
-import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
@@ -17,7 +16,6 @@ class MainActivity : ComponentActivity() {
         super.onCreate(savedInstanceState)
         setContent {
             MapcodeTheme {
-                // A surface container using the 'background' color from the theme
                 Surface(modifier = Modifier.fillMaxSize(), color = MaterialTheme.colors.background) {
 
                 }
@@ -30,6 +28,6 @@ class MainActivity : ComponentActivity() {
 @Composable
 fun DefaultPreview() {
     MapcodeTheme {
-        
+
     }
 }