removing redundant exists() checks, mkdirs already does this

Author: ouchadam

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/sync/RoomSyncEphemeralTemporaryStore.kt

@@ -40,7 +40,9 @@ internal class RoomSyncEphemeralTemporaryStoreFile @Inject constructor(
 ) : RoomSyncEphemeralTemporaryStore {
 
     private val workingDir: File by lazy {
-        File(fileDirectory, "rr").also { it.mkdirs() }
+        File(fileDirectory, "rr").also {
+            it.mkdirs()
+        }
     }
 
     private val roomSyncEphemeralAdapter = moshi.adapter(RoomSyncEphemeral::class.java)

vector/src/main/java/im/vector/app/features/voice/AbstractVoiceRecorder.kt

@@ -28,9 +28,7 @@ abstract class AbstractVoiceRecorder(
 ) : VoiceRecorder {
     private val outputDirectory: File by lazy {
         File(context.cacheDir, "voice_records").also {
-            if (!it.exists()) {
-                it.mkdirs()
-            }
+            it.mkdirs()
         }
     }
 

vector/src/main/java/im/vector/app/features/voice/VoicePlayerHelper.kt

@@ -29,9 +29,7 @@ class VoicePlayerHelper @Inject constructor(
 ) {
     private val outputDirectory: File by lazy {
         File(context.cacheDir, "voice_records").also {
-            if (!it.exists()) {
-                it.mkdirs()
-            }
+            it.mkdirs()
         }
     }