Move agents to default queue

- fix windows defender exclusion path

kubernetes/buildkite/agents_premerge.yaml

@@ -46,7 +46,7 @@ spec:
               name: buildkite-agent-token
               key: token
         - name: BUILDKITE_AGENT_TAGS
-          value: "queue=premerge,os=linux"
+          value: "os=linux"
         - name: BUILDKITE_BUILD_PATH
           value: "/mnt/disks/ssd0/agent"
         - name: CONDUIT_TOKEN

scripts/windows_agent_bootstrap.ps1

@@ -48,7 +48,7 @@ sc.exe config docker start=delayed-auto
 choco install -y gcloudsdk --ignore-checksums
 
 # exclude drive d from Virus scans, to get better performance
-Add-MpPreference -ExclusionPath “D:\”
+Add-MpPreference -ExclusionPath "D:\"
 
 # clone scripts repo (this one)
 git clone https://github.com/google/llvm-premerge-checks.git "c:\llvm-premerge-checks"