Request: Provide clearing methods for MapboxMap.Style components (Image, Source...)

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**Android API:** 10
**Mapbox Navigation SDK version:**
```
implementation 'com.mapbox.navigation:ui:1.0.0-rc.7'
implementation 'com.mapbox.navigation:core:1.0.0-rc.7'
```

### Why would we like to have this feature?

0. Setup a mapboxMap, a navigation, a navigationMapRoute etc.
1. Add a custom image, source and layer in order to add a marker (Apparently we use this way of adding markers, we don't use the annotation plugin, no idea why)
2. Get re-routed due to a mapbox or an external event
3. Want to clear previous images, sources, layers, etc easily without keeping track of them ourselves.

### Expected behavior
Either a method like `removeImage()` without a parameter or a `removeImages()` or `clearImages` method.

### Actual behavior
There are only `removeImage(name: String)`, ` removeSource(...)`, `removeLayer(...)` methods, which take individual objects.

Start with the MapboxMap.Style APIs for removeImage, removeSource, and removeLayer, and inspect how images, sources, and layers are managed. Define and implement a consistent clearing API for these components, then verify that callers can remove all relevant custom objects without tracking each name individually.

Written by the indexing model from the issue text.