.travis.yml: Remove unnecessary if UNSUPPORTED

.ci/deps.apt.sh

@@ -1,3 +1,5 @@
+#!/bin/bash
+
 set -e
 set -x
 

.ci/deps.cabal.sh

@@ -1,4 +1,6 @@
-set -e
+#!/bin/sh
+
+set -e -x
 
 # cabal-install 1.22 is the minimum tested version
 cabal --version

.ci/deps.pip.sh

@@ -1,3 +1,8 @@
+#!/bin/bash
+
+# This script is no longer used by Travis CI.
+# Any related aspects can be removed if beneficial.
+
 set -e
 set -x
 

.ci/deps.r.sh

@@ -1,3 +1,5 @@
+#!/bin/sh
+
 set -e
 set -x
 

.travis.yml

@@ -169,12 +169,12 @@ before_install:
   - nvm install 6.10.2
   # Remove Ruby directive from Gemfile as this image has 2.2.5
   - sed -i '/^ruby/d' Gemfile
-  - if [[ "$UNSUPPORTED" != true ]]; then bash .ci/deps.sh; fi
-  - if [[ "$UNSUPPORTED" != true ]]; then bash .ci/deps.go.sh; fi
-  - if [[ "$UNSUPPORTED" != true ]]; then bash .ci/deps.cabal.sh; fi
-  - if [[ "$UNSUPPORTED" != true ]]; then bash .ci/deps.r.sh; fi
-  - if [[ "$UNSUPPORTED" != true ]]; then bash .ci/deps.opam.sh; fi
-  - if [[ "$UNSUPPORTED" != true ]]; then bash .ci/deps.java.sh; fi
+  - .ci/deps.sh
+  - .ci/deps.go.sh
+  - .ci/deps.cabal.sh
+  - .ci/deps.r.sh
+  - .ci/deps.opam.sh
+  - .ci/deps.java.sh
   # https://github.com/coala/coala/issues/3183
   - cp requirements.txt requirements.orig
   - printf '%s\n%s\n%s\n'