PAINTROID-396 Multiline tool with movable intermediate points

fix static analysis errors

Author: Lenkomotive

Paintroid/src/main/java/org/catrobat/paintroid/command/implementation/DefaultCommandManager.kt

@@ -26,7 +26,6 @@ import org.catrobat.paintroid.command.CommandManager.CommandListener
 import org.catrobat.paintroid.common.CommonFactory
 import org.catrobat.paintroid.contract.LayerContracts
 import org.catrobat.paintroid.model.CommandManagerModel
-import org.catrobat.paintroid.tools.Tool
 import org.catrobat.paintroid.tools.implementation.DynamicLineTool
 import java.util.ArrayDeque
 import java.util.Collections

Paintroid/src/main/java/org/catrobat/paintroid/command/implementation/DynamicPathCommand.kt

@@ -24,11 +24,8 @@ import android.graphics.Paint
 import android.graphics.Path
 import android.graphics.PointF
 import androidx.annotation.ColorInt
-import org.catrobat.paintroid.MainActivity
 import org.catrobat.paintroid.command.Command
 import org.catrobat.paintroid.contract.LayerContracts
-import org.catrobat.paintroid.tools.implementation.DynamicLineTool
-import java.util.Deque
 
 class DynamicPathCommand(var paint: Paint, path: Path, startPoint: PointF, endPoint: PointF) : Command {