Add ability to remove a feature by key

build.gradle.kts

@@ -10,7 +10,7 @@ val kmathVersion: String by extra("0.3.1-dev-10")
 
 allprojects {
     group = "center.sciprog"
-    version = "0.2.2-dev-5"
+    version = "0.2.2-dev-6"
 
     repositories {
         mavenLocal()

maps-kt-features/src/commonMain/kotlin/center/sciprog/maps/features/FeatureGroup.kt

@@ -51,6 +51,10 @@ public data class FeatureGroup<T : Any>(
         return FeatureRef(safeId, this)
     }
 
+    public fun removeFeature(id: String) {
+        featureMap.remove(id)
+    }
+
 //    public fun <F : Feature<T>> feature(id: FeatureId<F>, feature: F): FeatureId<F> = feature(id.id, feature)
 
     public val features: Collection<Feature<T>> get() = featureMap.values.sortedByDescending { it.z }