fix(ci): remove package "install"

.gitlab-ci.yml

@@ -6,7 +6,7 @@ build:
         - echo "deb http://deb.debian.org/debian stretch-backports main" >> /etc/apt/sources.list
         - apt update -qq
         - apt install -y -qq gcc-arm-none-eabi python3-pip
-        - apt install -y -qq -t stretch-backports install meson
+        - apt install -y -qq -t stretch-backports meson
         - pip3 install crc16
     script:
         - cd bootloader