fixed ktlint issues

Author: AdityaK2905

app/src/main/java/org/hackillinois/android/database/entity/RedeemCart.kt

@@ -6,4 +6,4 @@ data class CartItem(
     val itemId: String,
     val name: String,
     val quantity: Int
-)
+)

app/src/main/java/org/hackillinois/android/view/OnboardingActivity.kt

@@ -1,13 +1,11 @@
 package org.hackillinois.android.view
 
-import OnboardingAdapter
 import android.content.Intent
 import android.os.Bundle
 import androidx.core.view.WindowCompat
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentActivity
 import androidx.viewpager2.adapter.FragmentStateAdapter
-import androidx.viewpager2.widget.ViewPager2
 import com.google.android.material.tabs.TabLayoutMediator
 import kotlinx.android.synthetic.main.activity_onboarding.*
 import org.hackillinois.android.R

app/src/main/java/org/hackillinois/android/view/OnboardingAdapter.kt

@@ -9,7 +9,6 @@ import androidx.lifecycle.liveData
 import androidx.lifecycle.viewModelScope
 import kotlinx.coroutines.launch
 import org.hackillinois.android.App
-import org.hackillinois.android.database.entity.Cart
 import org.hackillinois.android.database.entity.Roles
 import org.hackillinois.android.model.event.EventsList
 import org.hackillinois.android.model.scanner.EventId
@@ -82,7 +81,6 @@ class ScannerViewModel : ViewModel() {
                 lastScanStatus.postValue(ScanStatus("Scan failed: $error", false))
             }
         }
-
     }
 
     fun checkInAttendee(body: UserEventPair) {