Remove 'minimum' order from SupplierPart

- This can be handled using the 'PriceBreak' set

InvenTree/company/forms.py

@@ -57,7 +57,6 @@ class EditSupplierPartForm(HelperForm):
             'note',
             'base_cost',
             'multiple',
-            'minimum',
             'packaging',
             'lead_time'
         ]

InvenTree/company/migrations/0003_remove_supplierpart_minimum.py

@@ -0,0 +1,17 @@
+# Generated by Django 2.2 on 2019-05-21 03:51
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('company', '0002_auto_20190520_2204'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='supplierpart',
+            name='minimum',
+        ),
+    ]

InvenTree/company/models.py

@@ -173,7 +173,6 @@ class SupplierPart(models.Model):
         note: Longer form note field
         base_cost: Base charge added to order independent of quantity e.g. "Reeling Fee"
         multiple: Multiple that the part is provided in
-        minimum: MOQ (minimum order quantity) required for purchase
         lead_time: Supplier lead time
         packaging: packaging that the part is supplied in, e.g. "Reel"
     """
@@ -217,8 +216,6 @@ class SupplierPart(models.Model):
     
     multiple = models.PositiveIntegerField(default=1, validators=[MinValueValidator(1)], help_text='Order multiple')
 
-    minimum = models.PositiveIntegerField(default=1, validators=[MinValueValidator(1)], help_text='Minimum order quantity (MOQ)')
-
     lead_time = models.DurationField(blank=True, null=True)
 
     @property
@@ -256,10 +253,6 @@ class SupplierPart(models.Model):
         if len(price_breaks) == 0:
             return None
 
-        # Minimum ordering requirement
-        if moq and self.minimum > quantity:
-            quantity = self.minimum
-
         # Order multiples
         if multiples:
             quantity = int(math.ceil(quantity / self.multiple) * self.multiple)

InvenTree/company/templates/company/partdetail.html

@@ -66,9 +66,6 @@ InvenTree | {{ company.name }} - Parts
     {% if part.base_cost > 0 %}
     <tr><td>Base Price (Flat Fee)</td><td>{{ part.base_cost }}</td></tr>
     {% endif %}
-    {% if part.minimum > 1 %}
-    <tr><td>Minimum Order Quantity</td><td>{{ part.minimum }}</td></tr>
-    {% endif %}
     <tr>
         <th>Price Breaks</th>
         <th>