.travis: remove coverity

It hasn't worked reliably for us for a long time. Remove it until such time as
someone cares enough to fix it.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

.travis.yml

@@ -2,20 +2,7 @@ language: c
 compiler:
  - gcc
  - clang
-env:
-  global:
-   - secure: "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"
-addons:
-  coverity_scan:
-    project:
-      name: "lxc/lxc"
-      description: "LXC - Linux Containers https://linuxcontainers.org/lxc"
-    notification_email: lxc-devel@lists.linuxcontainers.org
-    build_command_prepend: "./autogen.sh && rm -Rf build && mkdir build && cd build && ../configure --enable-tests --with-distro=unknown"
-    build_command: "make -j4"
-    branch_pattern: master
 before_install:
- - echo -n | openssl s_client -connect scan.coverity.com:443 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' | sudo tee -a /etc/ssl/certs/ca-
  - sudo add-apt-repository ppa:ubuntu-lxc/daily -y
  - sudo apt-get update -qq
  - sudo apt-get install -qq coccinelle parallel libapparmor-dev libcap-dev libseccomp-dev python3-dev python3-setuptools docbook2x libgnutls-dev libselinux1-dev linux-libc-dev

README.md

@@ -14,7 +14,6 @@ CI (Linux)      | Jenkins               | [![Build Status](https://jenkins.linux
 CI (Linux)      | Travis                | [![Build Status](https://travis-ci.org/lxc/lxc.svg?branch=master)](https://travis-ci.org/lxc/lxc/)
 Project status  | CII Best Practices    | [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/1087/badge)](https://bestpractices.coreinfrastructure.org/projects/1087)
 Code Quality    | LGTM                  | [![Language grade: C/C++](https://img.shields.io/lgtm/grade/cpp/g/lxc/lxc.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/lxc/lxc/context:cpp)
-Static Analysis | Coverity              | <a href="https://scan.coverity.com/projects/lxc-linux-containers"> <img alt="Coverity Scan Build Status" src="https://img.shields.io/coverity/scan/369.svg"/> </a>
 
 ## System Containers