Drop support for ELK 5.x (now EOL upstream)

library/elasticsearch

@@ -1,4 +1,4 @@
-# this file is generated via https://github.com/docker-library/elasticsearch/blob/7de84d3d08d1544e90e3a2e9cacda3f3e17037e2/generate-stackbrew-library.sh
+# this file is generated via https://github.com/docker-library/elasticsearch/blob/979987de2091ad61eceab054545f7dc7968a952c/generate-stackbrew-library.sh
 
 Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
@@ -11,11 +11,3 @@ Directory: 7
 Tags: 6.7.1
 GitCommit: 10d43840f3f90f6aa76f0e598f2c42295ca865a3
 Directory: 6
-
-Tags: 5.6.16, 5.6, 5
-GitCommit: 9f14d95917805470ce1303d61add6ae195d24c70
-Directory: 5
-
-Tags: 5.6.16-alpine, 5.6-alpine, 5-alpine
-GitCommit: 9f14d95917805470ce1303d61add6ae195d24c70
-Directory: 5/alpine

library/kibana

@@ -1,4 +1,4 @@
-# this file is generated via https://github.com/docker-library/kibana/blob/b8795b8333c3ba6b5f0ae43ef4f119afe9a67910/generate-stackbrew-library.sh
+# this file is generated via https://github.com/docker-library/kibana/blob/2ec5f3641bcc93b9a8066f19b42630b4e8d570c7/generate-stackbrew-library.sh
 
 Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
@@ -11,7 +11,3 @@ Directory: 7
 Tags: 6.7.1
 GitCommit: 014d49e819ccf947882b6c9c809f62896f534dae
 Directory: 6
-
-Tags: 5.6.16, 5.6, 5
-GitCommit: c6966787dbfaae201ddd3826b33298165e26f416
-Directory: 5

library/logstash

@@ -11,11 +11,3 @@ Directory: 7
 Tags: 6.7.1
 GitCommit: c522da4c776c134cb676df6823322b8227b13ec0
 Directory: 6
-
-Tags: 5.6.16, 5.6, 5
-GitCommit: aeeca991ff2187ff26c8dd1595e792c53c497d5f
-Directory: 5
-
-Tags: 5.6.16-alpine, 5.6-alpine, 5-alpine
-GitCommit: aeeca991ff2187ff26c8dd1595e792c53c497d5f
-Directory: 5/alpine