[FIX] emc_loan: remove is_bond from data and tests

easy_my_coop_loan/demo/coop.xml

@@ -6,7 +6,6 @@
 <odoo>
     <record id="loan_issue_1_demo" model="loan.issue">
         <field name="name">test loan issue</field>
-        <field name="is_bond" eval="False"/>
         <field name="default_issue" eval="True"/>
         <field name="subscription_start_date" eval="datetime.today()"/>
         <field name="subscription_end_date" eval="datetime.today() + timedelta(days=60)"/>

easy_my_coop_loan/tests/test_emc_loan.py

@@ -13,7 +13,6 @@ class EMCLoanCase(EMCBaseCase):
 
         loan_issue_values = {
             "name": "test loan issue",
-            "is_bond": False,
             "default_issue": "xx",
             "subscription_start_date": Date.today(),
             "subscription_end_date": Date.today() + timedelta(days=60),
@@ -43,7 +42,6 @@ class EMCLoanCase(EMCBaseCase):
 
         loan_issue_values = {
             "name": "test loan issue",
-            "is_bond": False,
             "default_issue": True,
             "user_id": self.ref("easy_my_coop.res_users_manager_emc_demo"),
             "subscription_start_date": Date.today(),