Refactor DirectorInfo and SaleSection components to unify speedLabel logic and remove unnecessary watch properties

- Simplified speedLabel method in DirectorInfo.vue and SaleSection.vue to handle null values and translations more efficiently.
- Removed the watch property for branchId in DirectorInfo.vue as it was not needed.
- Cleaned up the code by eliminating redundant checks and improving readability.

Update translations in falukant.json files

- Removed unused keys and cleaned up the structure in both German and English translation files.
- Ensured that all necessary translations are still present while removing obsolete entries.

Refactor BranchView and PoliticsView components for improved performance and clarity

- Removed caching logic for product prices in BranchView.vue to simplify the loading process.
- Streamlined the loadCurrentPositions method in PoliticsView.vue by eliminating unnecessary character ID checks and logging.
- Enhanced the user experience by ensuring that the application submission process is clearer and more efficient.

Clean up MoneyHistoryView and FamilyView components

- Removed the graph section from MoneyHistoryView.vue to simplify the UI.
- Adjusted the mood display logic in FamilyView.vue to ensure proper translation handling.

frontend/src/views/falukant/FamilyView.vue

@@ -25,7 +25,7 @@
                                 </tr>
                                 <tr>
                                     <td>{{ $t('falukant.family.spouse.mood') }}</td>
-                                    <td>{{ relationships[0].character2.mood?.tr ? $t(`falukant.mood.${relationships[0].character2.mood.tr}`) : '—' }}</td>
+                                    <td>{{ $t(`falukant.mood.${relationships[0].character2.mood.tr}`) }}</td>
                                 </tr>
                                 <tr>
                                     <td>{{ $t('falukant.family.spouse.status') }}</td>