Remove unused variables

contrib/gitian-build.sh

@@ -6,7 +6,6 @@
 sign=false
 verify=false
 build=false
-setupenv=false
 
 # Systems to build
 linux=true

contrib/verify-commits/verify-commits.sh

@@ -12,8 +12,6 @@ VERIFIED_ROOT=$(cat "${DIR}/trusted-git-root")
 VERIFIED_SHA512_ROOT=$(cat "${DIR}/trusted-sha512-root-commit")
 REVSIG_ALLOWED=$(cat "${DIR}/allow-revsig-commits")
 
-HAVE_FAILED=false
-
 HAVE_GNU_SHA512=1
 [ ! -x "$(which sha512sum)" ] && HAVE_GNU_SHA512=0
 

contrib/verifybinaries/verify.sh

@@ -76,8 +76,6 @@ if [ -n "$1" ]; then
          BASEDIR="$BASEDIR$RCSUBDIR.$RCVERSION/"
       fi
    fi
-
-   SIGNATUREFILE="$BASEDIR$SIGNATUREFILENAME"
 else
    echo "Error: need to specify a version on the command line"
    exit 2