Remove already-merged changes files.

changes/bug16056

@@ -1,4 +0,0 @@
-  o Minor bugfixes (relay, IPv6):
-    - When displaying an IPv6 exit policy, include the mask bits correctly
-      even when the number is greater than 31. Fixes bug 16056; bugfix on
-      0.2.4.7-alpha. Patch from "gturner".

changes/bug16702

@@ -1,4 +0,0 @@
-  o Minor bugfixes (hidden service)
-    - The wrong list was used when looking up expired intro points in a rend
-      service object causing what we think could be reachability issues and
-      triggering a BUG log. Fixes 16702; bugfix on tor-0.2.7.2-alpha.

changes/bug17364

@@ -1,3 +0,0 @@
-  o Documentation:
-    - Note that HiddenServicePorts can take a unix domain socket.
-      Closes ticket 17364.

changes/bug17551

@@ -1,4 +0,0 @@
-  o Minor bugfixes (compilation):
-    - When checking for net/pfvar.h, include netinet/in.h if possible.
-      This fixes transparent proxy detection on OpenBSD. Fixes bug
-      17551; bugfix on 0.1.2.1-alpha. Patch from "rubiate".

changes/bug17722

@@ -1,3 +0,0 @@
-  o Minor bugfixes (code correctness)
-    - Fix undefined behavior in the tor_cert_checksig function. Fixes bug
-      17722; bugfix on tor-0.2.7.2-alpha.

changes/bug17772

@@ -1,7 +0,0 @@
-  o Major bugfixes (guard selection):
-    - Actually look at the Guard flag when selecting a new directory
-      guard. When we implemented the directory guard design, we
-      accidentally started treating all relays as if they have the Guard
-      flag during guard selection, leading to weaker anonymity and worse
-      performance. Fixes bug 17222; bugfix on 0.2.4.8-alpha. Discovered
-      by Mohsen Imani.

changes/bug17781

@@ -1,3 +0,0 @@
-  o Compilation fixes:
-    - Fix a compilation warning with Clang 3.6: Do not check the
-      presence of an address which can never be NULL. Fixes bug 17781.

changes/geoip-december2015

@@ -1,4 +0,0 @@
-  o Minor features:
-    - Update geoip and geoip6 to the December 1 2015 Maxmind GeoLite2
-      Country database.
-