Remove unused functions in App.tsx

src/app/App.tsx

@@ -4731,29 +4731,6 @@ export function App({ store, initialStatusMessage }: AppProps) {
     };
   };
 
-  const createProjectSequenceControlStepFromOption = (
-    targetKey: string,
-    effectOptionId: ProjectScheduleEffectOptionId
-  ): Extract<ProjectSequence["effects"][number], { type: "controlEffect" }> => {
-    const targetOption = resolveSequenceControlTargetOption(targetKey);
-
-    if (targetOption === null) {
-      throw new Error("The selected sequence control target no longer exists.");
-    }
-
-    return {
-      stepClass: getProjectSequenceControlStepClassForEffectOptionId(
-        effectOptionId
-      ),
-      type: "controlEffect",
-      effect: createProjectScheduleEffectFromOption({
-        targetOption,
-        effectOptionId,
-        previousEffect: null
-      })
-    };
-  };
-
   const updateProjectSequence = (
     sequenceId: string,
     label: string,
@@ -4874,20 +4851,6 @@ export function App({ store, initialStatusMessage }: AppProps) {
     );
   };
 
-  const handleAddProjectSequenceSpecificControlStep = (
-    sequenceId: string,
-    targetKey: string,
-    effectOptionId: ProjectScheduleEffectOptionId,
-    label: string,
-    successMessage: string
-  ) => {
-    updateProjectSequence(sequenceId, label, successMessage, (sequence) => {
-      sequence.effects.push(
-        createProjectSequenceControlStepFromOption(targetKey, effectOptionId)
-      );
-    });
-  };
-
   const handleAddProjectSequenceDialogueStep = (
     sequenceId: string,
     dialogueId: string