Remove Travis CI

All of these checks are now done by Cirrus, and Travis is being phased
out by Bitcoin Core.

.travis.yml

@@ -1,38 +0,0 @@
-language: go
-go:
-  - "1.x"
-
-notifications:
-  irc:
-    channels:
-      - "chat.freenode.net#namecoin-dev"
-    on_success: never
-
-addons:
-  apt:
-    packages:
-      - libyaml-libyaml-perl
-      - libtemplate-perl
-      - libio-handle-util-perl
-      - libio-all-perl
-      - libio-captureoutput-perl
-      - libjson-perl
-      - libpath-tiny-perl
-      - libstring-shellquote-perl
-      - libsort-versions-perl
-      - libdigest-sha-perl
-      - libdata-uuid-perl
-      - libdata-dump-perl
-      - libfile-copy-recursive-perl
-      - git
-      - runc
-      - mercurial
-
-sudo: false
-
-install:
-  - make submodule-update
-script:
-  - ./.travis/check-project-tags
-  - ./.travis/check-tbb-tags
-

.travis/check-project-tags

@@ -1,61 +0,0 @@
-#!/bin/bash
-
-set -eu -o pipefail
-shopt -s failglob
-
-FAIL=0
-
-for PROJECTPATH in ./projects/*
-do
-    PROJECT=$(basename ${PROJECTPATH})
-
-    # Tor devs are in charge of their dependencies
-    if [[ -e "./tor-browser-build/projects/${PROJECT}" || "${PROJECT}" = goxcrypto* || "${PROJECT}" = goxnet* || "${PROJECT}" = goxsys* ]]
-    then
-        continue
-    fi
-
-    # Electrum devs are in charge of their dependencies
-    PROJECT_IS_ELECTRUM_DEP=1
-    grep "project: ${PROJECT}" ./projects/electrum-nmc/config > /dev/null || PROJECT_IS_ELECTRUM_DEP=0
-    if [ "$PROJECT_IS_ELECTRUM_DEP" = 1 ]
-    then
-        continue
-    fi
-
-    # x509-signature-splice branch depends on Go version, so it won't always be the latest
-    if [ "${PROJECT}" = "gox509signaturesplice" ]
-    then
-        continue
-    fi
-
-    GIT_REV=$(./rbm/rbm showconf ${PROJECT} git_hash)
-
-    GIT_URL=$(./rbm/rbm showconf ${PROJECT} git_url)
-
-    REMOTE_TAGS=$(git ls-remote --tags "${GIT_URL}")
-    if [ "${REMOTE_TAGS}" = "" ]
-    then
-        # There are no tags on the remote Git repo, so pretend HEAD is the latest.
-        LATEST_TAG=HEAD
-    else
-        LATEST_TAG=$(git ls-remote --tags "${GIT_URL}" | grep -v '\^{}' | awk '{print $2}' | awk -F"/" '{print $3}' | sort -V | tail --lines=1)
-    fi
-    LATEST_INFO=$(git ls-remote "${GIT_URL}" HEAD ${LATEST_TAG} ${LATEST_TAG}^{})
-
-    PROJECT_FAIL=0
-    echo "${LATEST_INFO}" | grep ${GIT_REV} > /dev/null || PROJECT_FAIL=1
-    if [ "${PROJECT_FAIL}" = 1 ]
-    then
-        FAIL=1
-        echo "${PROJECT}: rbm uses ${GIT_REV}, latest at remote ${GIT_URL} are:
-${LATEST_INFO}"
-    fi
-done
-
-if [ "${FAIL}" = 1 ]
-then
-    exit 1
-fi
-
-exit 0

.travis/check-tbb-tags

@@ -1,24 +0,0 @@
-#!/bin/bash
-
-set -eu -o pipefail
-shopt -s failglob
-
-FAIL=0
-
-GIT_TAG=$(git submodule status tor-browser-build | awk '{print $3}')
-
-GIT_URL=https://git.torproject.org/builders/tor-browser-build.git
-
-LATEST_TAG=$(git ls-remote --tags "${GIT_URL}" | grep 'tbb' | grep -v '\^{}' | awk '{print $2}' | awk -F"/" '{print $3}' | sort -V | tail --lines=1)
-if [ "${GIT_TAG}" != "(${LATEST_TAG})" ]
-then
-    FAIL=1
-    echo "tor-browser-build: submodule uses ${GIT_TAG}, latest tag is ${LATEST_TAG}"
-fi
-
-if [ "${FAIL}" = 1 ]
-then
-    exit 1
-fi
-
-exit 0