[jps model] API cleanup: remove unused deprecated API (IJPL-503)

GitOrigin-RevId: 34bd7dc6552c7732de65cf509a0c9e4b76f00553

jps/model-api/api-dump-unreviewed.txt

@@ -124,7 +124,6 @@ org.jetbrains.jps.model.JpsGlobal
 - a:getPathMapper():org.jetbrains.jps.model.serialization.JpsPathMapper
 - a:setPathMapper(org.jetbrains.jps.model.serialization.JpsPathMapper):V
 org.jetbrains.jps.model.JpsModel
-- commit():V
 - a:getGlobal():org.jetbrains.jps.model.JpsGlobal
 - a:getProject():org.jetbrains.jps.model.JpsProject
 - a:registerExternalReference(org.jetbrains.jps.model.JpsElementReference):V

jps/model-api/src/org/jetbrains/jps/model/JpsModel.java

@@ -28,13 +28,4 @@ public interface JpsModel {
   JpsGlobal getGlobal();
 
   void registerExternalReference(@NotNull JpsElementReference<?> reference);
-
-  /**
-   * @deprecated modifications of JpsModel were never fully supported, and they won't be since JpsModel will be superseded by 
-   * {@link com.intellij.platform.workspace.storage the workspace model}. 
-   * This method does nothing.
-   */
-  @Deprecated(forRemoval = true)
-  default void commit() {
-  }
 }