testing: attr-sql is a charon plugin

testing/tests/sql/ip-pool-db-expired/hosts/moon/etc/strongswan.conf

@@ -1,16 +1,12 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
+  load = random nonce aes sha1 sha2 pem pkcs1 gmp x509 curl revocation hmac vici kernel-netlink socket-default updown sqlite sql attr-sql
+
   plugins {
     sql {
       database = sqlite:///etc/db.d/ipsec.db
     }
-  }
-  load = random nonce aes sha1 sha2 pem pkcs1 gmp x509 curl revocation hmac vici kernel-netlink socket-default updown sqlite sql attr-sql
-}
-
-libstrongswan {
-  plugins {
     attr-sql {
       database = sqlite:///etc/db.d/ipsec.db
     }

testing/tests/sql/ip-pool-db-restart/hosts/moon/etc/strongswan.conf

@@ -1,16 +1,12 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
+  load = random nonce aes sha1 sha2 pem pkcs1 gmp x509 curl revocation hmac vici kernel-netlink socket-default updown sqlite sql attr-sql
+
   plugins {
     sql {
       database = sqlite:///etc/db.d/ipsec.db
     }
-  }
-  load = random nonce aes sha1 sha2 pem pkcs1 gmp x509 curl revocation hmac vici kernel-netlink socket-default updown sqlite sql attr-sql
-}
-
-libstrongswan {
-  plugins {
     attr-sql {
       database = sqlite:///etc/db.d/ipsec.db
     }

testing/tests/sql/ip-pool-db/hosts/moon/etc/strongswan.conf

@@ -1,16 +1,12 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
+  load = random nonce aes sha1 sha2 pem pkcs1 gmp x509 curl revocation hmac vici kernel-netlink socket-default updown sqlite sql attr-sql
+
   plugins {
     sql {
       database = sqlite:///etc/db.d/ipsec.db
     }
-  }
-  load = random nonce aes sha1 sha2 pem pkcs1 gmp x509 curl revocation hmac vici kernel-netlink socket-default updown sqlite sql attr-sql
-}
-
-libstrongswan {
-  plugins {
     attr-sql {
       database = sqlite:///etc/db.d/ipsec.db
     }

testing/tests/sql/ip-split-pools-db-restart/hosts/moon/etc/strongswan.conf

@@ -1,16 +1,12 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
+  load = random nonce aes sha1 sha2 pem pkcs1 gmp x509 curl revocation hmac vici kernel-netlink socket-default updown sqlite sql attr-sql
+
   plugins {
     sql {
       database = sqlite:///etc/db.d/ipsec.db
     }
-  }
-  load = random nonce aes sha1 sha2 pem pkcs1 gmp x509 curl revocation hmac vici kernel-netlink socket-default updown sqlite sql attr-sql
-}
-
-libstrongswan {
-  plugins {
     attr-sql {
       database = sqlite:///etc/db.d/ipsec.db
     }

testing/tests/sql/ip-split-pools-db/hosts/moon/etc/strongswan.conf

@@ -1,16 +1,12 @@
 # /etc/strongswan.conf - strongSwan configuration file
 
 charon {
+  load = random nonce aes sha1 sha2 pem pkcs1 gmp x509 curl revocation hmac vici kernel-netlink socket-default updown sqlite sql attr-sql
+
   plugins {
     sql {
       database = sqlite:///etc/db.d/ipsec.db
     }
-  }
-  load = random nonce aes sha1 sha2 pem pkcs1 gmp x509 curl revocation hmac vici kernel-netlink socket-default updown sqlite sql attr-sql
-}
-
-libstrongswan {
-  plugins {
     attr-sql {
       database = sqlite:///etc/db.d/ipsec.db
     }