- remove ruby-debug since it doesn'tw ork in ruby 1.9 anyway

Gemfile

@@ -32,5 +32,12 @@ gem "xmpp4r", "0.5" # outputs/xmpp, # License: As-Is
 gem "gelfd", "0.2.0" #inputs/gelf, # License: Apache 2.0
 
 gem "ffi-rzmq", "0.9.0"
-gem "ruby-debug", "0.10.4"
-gem "mocha", "0.10.0"
+
+# ruby-debug is broken in 1.9.x due, at a minimum, the following:
+#    Installing rbx-require-relative (0.0.5)
+#    Gem::InstallError: rbx-require-relative requires Ruby version ~> 1.8.7.
+#
+# ruby-debug wants linecache which wants rbx-require-relative which won't
+# install under 1.9.x. I never use ruby-debug anyway, so, kill it.
+#gem "ruby-debug", "0.10.4"
+#gem "mocha", "0.10.0"