Move SupplierPart and SupplierPriceBreak to the 'Company' app

- https://docs.djangoproject.com/en/2.2/ref/models/options/#django.db.models.Options.db_table
- https://stackoverflow.com/questions/3519143/django-how-to-specify-a-database-for-a-model
- And others, presumably

InvenTree/part/views.py

@@ -15,8 +15,6 @@ from django.forms import HiddenInput, CheckboxInput
 from company.models import Company
 from .models import PartCategory, Part, PartAttachment
 from .models import BomItem
-from .models import SupplierPart
-from .models import SupplierPriceBreak
 from .models import match_part_names
 
 from . import forms as part_forms
@@ -732,142 +730,3 @@ class BomItemDelete(AjaxDeleteView):
     ajax_template_name = 'part/bom-delete.html'
     context_object_name = 'item'
     ajax_form_title = 'Confim BOM item deletion'
-
-
-class SupplierPartDetail(DetailView):
-    """ Detail view for SupplierPart """
-    model = SupplierPart
-    template_name = 'company/partdetail.html'
-    context_object_name = 'part'
-    queryset = SupplierPart.objects.all()
-
-
-class SupplierPartEdit(AjaxUpdateView):
-    """ Update view for editing SupplierPart """
-
-    model = SupplierPart
-    context_object_name = 'part'
-    form_class = part_forms.EditSupplierPartForm
-    ajax_template_name = 'modal_form.html'
-    ajax_form_title = 'Edit Supplier Part'
-
-
-class SupplierPartCreate(AjaxCreateView):
-    """ Create view for making new SupplierPart """
-
-    model = SupplierPart
-    form_class = part_forms.EditSupplierPartForm
-    ajax_template_name = 'modal_form.html'
-    ajax_form_title = 'Create new Supplier Part'
-    context_object_name = 'part'
-
-    def get_form(self):
-        """ Create Form instance to create a new SupplierPart object.
-        Hide some fields if they are not appropriate in context
-        """
-        form = super(AjaxCreateView, self).get_form()
-        
-        if form.initial.get('supplier', None):
-            # Hide the supplier field
-            form.fields['supplier'].widget = HiddenInput()
-
-        if form.initial.get('part', None):
-            # Hide the part field
-            form.fields['part'].widget = HiddenInput()
-
-        return form
-
-    def get_initial(self):
-        """ Provide initial data for new SupplierPart:
-
-        - If 'supplier_id' provided, pre-fill supplier field
-        - If 'part_id' provided, pre-fill part field
-        """
-        initials = super(SupplierPartCreate, self).get_initial().copy()
-
-        supplier_id = self.get_param('supplier')
-        part_id = self.get_param('part')
-
-        if supplier_id:
-            try:
-                initials['supplier'] = Company.objects.get(pk=supplier_id)
-            except Company.DoesNotExist:
-                initials['supplier'] = None
-        
-        if part_id:
-            try:
-                initials['part'] = Part.objects.get(pk=part_id)
-            except Part.DoesNotExist:
-                initials['part'] = None
-        
-        return initials
-
-
-class SupplierPartDelete(AjaxDeleteView):
-    """ Delete view for removing a SupplierPart """
-    model = SupplierPart
-    success_url = '/supplier/'
-    ajax_template_name = 'company/partdelete.html'
-    ajax_form_title = 'Delete Supplier Part'
-    context_object_name = 'supplier_part'
-
-
-class PriceBreakCreate(AjaxCreateView):
-    """ View for creating a supplier price break """
-
-    model = SupplierPriceBreak
-    form_class = part_forms.EditPriceBreakForm
-    ajax_form_title = 'Add Price Break'
-    ajax_template_name = 'modal_form.html'
-
-    def get_data(self):
-        return {
-            'success': 'Added new price break'
-        }
-
-    def get_part(self):
-        try:
-            return SupplierPart.objects.get(id=self.request.GET.get('part'))
-        except SupplierPart.DoesNotExist:
-            return SupplierPart.objects.get(id=self.request.POST.get('part'))
-
-    def get_form(self):
-
-        form = super(AjaxCreateView, self).get_form()
-        form.fields['part'].widget = HiddenInput()
-
-        return form
-
-    def get_initial(self):
-
-        initials = super(AjaxCreateView, self).get_initial()
-
-        print("GETTING INITIAL DAtA")
-
-        initials['part'] = self.get_part()
-
-        return initials
-
-
-class PriceBreakEdit(AjaxUpdateView):
-    """ View for editing a supplier price break """
-
-    model = SupplierPriceBreak
-    form_class = part_forms.EditPriceBreakForm
-    ajax_form_title = 'Edit Price Break'
-    ajax_template_name = 'modal_form.html'
-
-    def get_form(self):
-
-        form = super(AjaxUpdateView, self).get_form()
-        form.fields['part'].widget = HiddenInput()
-
-        return form
-
-
-class PriceBreakDelete(AjaxDeleteView):
-    """ View for deleting a supplier price break """
-
-    model = SupplierPriceBreak
-    ajax_form_title = "Delete Price Break"
-    ajax_template_name = 'modal_delete_form.html'