We don't include fixes for non-released bugs in the changelog

changes/bug17724

@@ -1,4 +0,0 @@
-  o Minor bug fixes (unit tests, hidden services):
-    - Avoid relying on malloc internals in test_rend_cache_purge.
-      Closes ticket 17724. Bug fix on ade5005853c1 and 5e9f2384cf0f,
-      not in any released version of Tor. Patch by "teor".

changes/bug17763

@@ -1,5 +0,0 @@
-  o Minor bug fixes (exit policies):
-    - Consistently ignore multicast addresses when automatically
-      generating reject private exit policies.
-      Closes ticket 17763. Bug fix on 10a6390deb3c9,
-      not in any released version of Tor. Patch by "teor".

changes/bug17776

@@ -1,6 +0,0 @@
-  o Minor bugfixes (tests):
-    - Fix buffer over-reads in the directory tests. Fixes bug 17776; not in any
-      released version of Tor.
-    - Fix buffer over-reads in the rendcache tests. Fixes bug 17776; not in any
-      released version of Tor.
-

changes/bug17887

@@ -1,6 +0,0 @@
-  o Minor fixes (fallback directories):
-    - Allow cached or outdated Onionoo data to be used to choose
-      fallback directories, as long as it's less than a day old.
-      Modify last modified date checks in preparation for Onionoo change
-      #16907. Closes ticket #17887. Patch by "teor". Not in any released
-      version of tor.

changes/bug17888

@@ -1,6 +0,0 @@
-  o Minor fixes (fallback directories):
-    - When selecting exits as fallback directories, don't reduce
-      their weights. (Several operators report having exits with
-      spare capacity.) 
-      Closes ticket #17888. Patch by "teor". Not in any released
-      version of tor.

changes/bug18035

@@ -1,6 +0,0 @@
-  o Minor fixes (fallback directories):
-    - Work around an issue where OnionOO supplies the entire history,
-      rather than the requested 120 days. Activate debug logging by
-      default. Fix other minor calculation and compatibility issues.
-      Closes ticket #18035. Patch by "starlight", merge fixes by
-      "teor". Not in any released version of tor.