feat: Allow to clear every horizontal lines (#52)

library/src/main/java/com/dzeio/charts/axis/YAxis.kt

@@ -237,6 +237,10 @@ class YAxis(
         lines.remove(y)
     }
 
+    override fun clearLines() {
+        lines.clear()
+    }
+
     @Deprecated("use the new global function", ReplaceWith("YAxisInterface.addLine"))
     override fun setGoalLine(height: Float?) {
         if (height != null) {

library/src/main/java/com/dzeio/charts/axis/YAxisInterface.kt

@@ -121,6 +121,11 @@ sealed interface YAxisInterface {
      */
     fun removeLine(y: Float)
 
+    /**
+     * Remove every lines
+     */
+    fun clearLines()
+
     /**
      * get the position of an [entry] Y position in the [drawableSpace]
      *