couple smaller tweaks

app/src/main/AndroidManifest.xml

@@ -21,15 +21,7 @@
             android:name=".activities.SplashActivity"
             android:theme="@style/SplashTheme" />
 
-        <activity
-            android:name=".activities.MainActivity"
-            android:exported="true">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-        </activity>
+        <activity android:name=".activities.MainActivity" />
 
         <service
             android:name=".helpers.SimpleKeyboardIME"

app/src/main/kotlin/com/simplemobiletools/keyboard/activities/MainActivity.kt

@@ -10,7 +10,6 @@ import com.simplemobiletools.keyboard.BuildConfig
 import com.simplemobiletools.keyboard.R
 
 class MainActivity : SimpleActivity() {
-
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)