Revert "newplan phase 2"

This reverts commit 293c1e9c0d.

backend/igny8_core/modules/billing/admin.py

@@ -12,7 +12,6 @@ from igny8_core.business.billing.models import (
     Payment,
     CreditPackage,
     PaymentMethodConfig,
-    PlanLimitUsage,
 )
 from .models import CreditTransaction, CreditUsageLog, AccountPaymentMethod
 from import_export.admin import ExportMixin
@@ -494,46 +493,3 @@ class CreditCostConfigAdmin(ModelAdmin):
         obj.updated_by = request.user
         super().save_model(request, obj, form, change)
 
-
-@admin.register(PlanLimitUsage)
-class PlanLimitUsageAdmin(AccountAdminMixin, ModelAdmin):
-    """Admin for tracking plan limit usage across billing periods"""
-    list_display = [
-        'account',
-        'limit_type',
-        'amount_used',
-        'period_display',
-        'created_at',
-    ]
-    list_filter = [
-        'limit_type',
-        ('period_start', DateRangeFilter),
-        ('period_end', DateRangeFilter),
-        'account',
-    ]
-    search_fields = ['account__name']
-    readonly_fields = ['created_at', 'updated_at']
-    date_hierarchy = 'period_start'
-    
-    fieldsets = (
-        ('Usage Info', {
-            'fields': ('account', 'limit_type', 'amount_used')
-        }),
-        ('Billing Period', {
-            'fields': ('period_start', 'period_end')
-        }),
-        ('Metadata', {
-            'fields': ('metadata',),
-            'classes': ('collapse',)
-        }),
-        ('Timestamps', {
-            'fields': ('created_at', 'updated_at'),
-            'classes': ('collapse',)
-        }),
-    )
-    
-    def period_display(self, obj):
-        """Display billing period range"""
-        return f"{obj.period_start} to {obj.period_end}"
-    period_display.short_description = 'Billing Period'
-