doc: remove references to Travis

Author: fanquake

_config.yml

@@ -33,7 +33,7 @@ exclude:
   - README.md
   - CONTRIBUTING.md
   - CNAME
-  - vendor  # Travis CI creates a vendor/ dir with files we shouldn't render
+  - vendor  # CI creates a vendor/ dir with files we shouldn't render
   - contrib
   - Makefile
 

contrib/qa/test-binary-availability.sh

@@ -1,6 +1,6 @@
 #!/bin/bash 
 
-# Local builds and Travis CI builds of the BitcoinCore.org website do
+# Local builds and CI builds of the BitcoinCore.org website do
 # not include the /bin directory holding Bitcoin Core binaries, so this
 # test extracts the local URLs from the download page and checks that
 # they exist on the remote server.  Only the file's HTTP headers are