Revert "Add libnetdata readmes to learn, delete empty" (#14373)

Revert "Add libnetdata readmes to learn, delete empty (#14371)"

This reverts commit a2fa9180c567395752b57df1895d677fe129a790.

libnetdata/arrayalloc/README.md

@@ -0,0 +1,7 @@
+<!--
+title: "Array Allocator"
+custom_edit_url: https://github.com/netdata/netdata/edit/master/libnetdata/arrayalloc/README.md
+-->
+
+# Array Allocator
+

libnetdata/avl/README.md

@@ -1,10 +1,6 @@
 <!--
 title: "AVL"
 custom_edit_url: https://github.com/netdata/netdata/edit/master/libnetdata/avl/README.md
-sidebar_label: "AVL"
-learn_status: "Published"
-learn_topic_type: "Tasks"
-learn_rel_path: "Developers"
 -->
 
 # AVL

libnetdata/circular_buffer/README.md

@@ -1,10 +1,6 @@
 <!--
-title: "Circular Buffer"
+title: "circular_buffer"
 custom_edit_url: https://github.com/netdata/netdata/edit/master/libnetdata/circular_buffer/README.md
-sidebar_label: "Circular Buffer"
-learn_status: "Published"
-learn_topic_type: "Tasks"
-learn_rel_path: "Developers"
 -->
 
 # Circular Buffer

libnetdata/ebpf/README.md

@@ -0,0 +1,5 @@
+<!--
+custom_edit_url: https://github.com/netdata/netdata/edit/master/libnetdata/ebpf/README.md
+-->
+
+

libnetdata/json/README.md

@@ -1,10 +1,6 @@
 <!--
 title: "json"
 custom_edit_url: https://github.com/netdata/netdata/edit/master/libnetdata/json/README.md
-sidebar_label: "JSON"
-learn_status: "Published"
-learn_topic_type: "Tasks"
-learn_rel_path: "Developers"
 -->
 
 # json

libnetdata/locks/README.md

@@ -1,10 +1,5 @@
 <!--
-title: "Locks"
 custom_edit_url: https://github.com/netdata/netdata/edit/master/libnetdata/locks/README.md
-sidebar_label: "Locks"
-learn_status: "Published"
-learn_topic_type: "Tasks"
-learn_rel_path: "Developers"
 -->
 
 ## How to trace netdata locks

libnetdata/log/README.md

@@ -0,0 +1,5 @@
+<!--
+custom_edit_url: https://github.com/netdata/netdata/edit/master/libnetdata/log/README.md
+-->
+
+

libnetdata/onewayalloc/README.md

@@ -1,10 +1,6 @@
 <!--
 title: "One Way Allocator"
 custom_edit_url: https://github.com/netdata/netdata/edit/master/libnetdata/onewayallocator/README.md
-sidebar_label: "One way allocator"
-learn_status: "Published"
-learn_topic_type: "Tasks"
-learn_rel_path: "Developers"
 -->
 
 # One Way Allocator

libnetdata/popen/README.md

@@ -0,0 +1,5 @@
+<!--
+custom_edit_url: https://github.com/netdata/netdata/edit/master/libnetdata/popen/README.md
+-->
+
+

libnetdata/procfile/README.md

@@ -1,10 +1,6 @@
 <!--
 title: "PROCFILE"
 custom_edit_url: https://github.com/netdata/netdata/edit/master/libnetdata/procfile/README.md
-sidebar_label: "Procfile"
-learn_status: "Published"
-learn_topic_type: "Tasks"
-learn_rel_path: "Developers"
 -->
 
 # PROCFILE