jobs: remove devstack-gate references

Not needed by native Zuul v3 jobs.

Change-Id: I31e9cc2e006d66b8feb8bd5738d595974509c732
diff --git a/zuul.d/base.yaml b/zuul.d/base.yaml
index 7ee20dc..04fe323 100644
--- a/zuul.d/base.yaml
+++ b/zuul.d/base.yaml
@@ -7,7 +7,6 @@
     roles:
       - zuul: openstack/devstack
     required-projects:
-      - openstack/devstack-gate
       - openstack/neutron
       - openstack/neutron-tempest-plugin
       - openstack/tempest
diff --git a/zuul.d/master_jobs.yaml b/zuul.d/master_jobs.yaml
index 207a4f1..144abc1 100644
--- a/zuul.d/master_jobs.yaml
+++ b/zuul.d/master_jobs.yaml
@@ -443,7 +443,6 @@
     roles:
       - zuul: openstack/devstack
     required-projects:
-      - openstack/devstack-gate
       - openstack/neutron
       - openstack/neutron-tempest-plugin
       - openstack/tempest
@@ -672,7 +671,6 @@
     parent: neutron-tempest-plugin-base
     timeout: 10800
     required-projects:
-      - openstack/devstack-gate
       - openstack/networking-sfc
       - openstack/neutron
       - openstack/neutron-tempest-plugin
@@ -764,7 +762,6 @@
     parent: neutron-tempest-plugin-base
     timeout: 3900
     required-projects:
-      - openstack/devstack-gate
       - openstack/neutron
       - openstack/neutron-vpnaas
       - openstack/neutron-tempest-plugin
diff --git a/zuul.d/queens_jobs.yaml b/zuul.d/queens_jobs.yaml
index c293e7a..a86e9a3 100644
--- a/zuul.d/queens_jobs.yaml
+++ b/zuul.d/queens_jobs.yaml
@@ -4,7 +4,6 @@
     parent: neutron-tempest-plugin-api
     override-checkout: stable/queens
     required-projects:
-      - openstack/devstack-gate
       - openstack/neutron
       - name: openstack/neutron-tempest-plugin
         override-checkout: 0.3.0
@@ -115,7 +114,6 @@
     nodeset: openstack-single-node-xenial
     override-checkout: stable/queens
     required-projects:
-      - openstack/devstack-gate
       - openstack/neutron
       - name: openstack/neutron-tempest-plugin
         override-checkout: 0.3.0
@@ -146,7 +144,6 @@
       - zuul: openstack/neutron
     override-checkout: stable/queens
     required-projects:
-      - openstack/devstack-gate
       - openstack/neutron
       - name: openstack/neutron-tempest-plugin
         override-checkout: 0.3.0
@@ -193,7 +190,6 @@
     nodeset: openstack-two-node-xenial
     override-checkout: stable/queens
     required-projects:
-      - openstack/devstack-gate
       - openstack/neutron
       - name: openstack/neutron-tempest-plugin
         override-checkout: 0.3.0
@@ -219,7 +215,6 @@
     nodeset: openstack-single-node-xenial
     override-checkout: stable/queens
     required-projects:
-      - openstack/devstack-gate
       - openstack/neutron
       - name: openstack/neutron-tempest-plugin
         override-checkout: 0.3.0
diff --git a/zuul.d/rocky_jobs.yaml b/zuul.d/rocky_jobs.yaml
index 2778873..ceee05f 100644
--- a/zuul.d/rocky_jobs.yaml
+++ b/zuul.d/rocky_jobs.yaml
@@ -6,7 +6,6 @@
       This job run on py2 for stable/rocky gate.
     override-checkout: stable/rocky
     required-projects: &required-projects-rocky
-      - openstack/devstack-gate
       - openstack/neutron
       - name: openstack/neutron-tempest-plugin
         override-checkout: 0.9.0
@@ -326,7 +325,6 @@
     nodeset: openstack-single-node-xenial
     override-checkout: stable/rocky
     required-projects:
-      - openstack/devstack-gate
       - openstack/neutron
       - name: openstack/neutron-tempest-plugin
         override-checkout: 0.9.0
diff --git a/zuul.d/stein_jobs.yaml b/zuul.d/stein_jobs.yaml
index b053065..a5ab0a4 100644
--- a/zuul.d/stein_jobs.yaml
+++ b/zuul.d/stein_jobs.yaml
@@ -4,7 +4,6 @@
     nodeset: openstack-single-node-bionic
     override-checkout: stable/stein
     required-projects: &required-projects-stein
-      - openstack/devstack-gate
       - openstack/neutron
       - name: openstack/neutron-tempest-plugin
         override-checkout: 1.3.0
@@ -194,7 +193,6 @@
     nodeset: openstack-single-node-bionic
     override-checkout: stable/stein
     required-projects:
-      - openstack/devstack-gate
       - openstack/neutron
       - name: openstack/neutron-tempest-plugin
         override-checkout: 1.3.0
diff --git a/zuul.d/ussuri_jobs.yaml b/zuul.d/ussuri_jobs.yaml
index 641663f..475bebb 100644
--- a/zuul.d/ussuri_jobs.yaml
+++ b/zuul.d/ussuri_jobs.yaml
@@ -241,7 +241,6 @@
     timeout: 10800
     override-checkout: stable/ussuri
     required-projects:
-      - openstack/devstack-gate
       - openstack/neutron-fwaas
       - openstack/neutron
       - openstack/neutron-tempest-plugin