Unconditionally update vcredist140 on AppVeyor

Author: morozov

.appveyor.yml

@@ -42,11 +42,10 @@ init:
 install:
     - sc config wuauserv start=auto
     - net start wuauserv
+    - choco install --no-progress -y vcredist140
     - ps: |
         # Check if installation is cached
         if (!(Test-Path c:\tools\php)) {
-          choco upgrade --no-progress chocolatey
-          choco install --no-progress -y vcredist140
           appveyor-retry choco install --no-progress --params '""/InstallDir:C:\tools\php""' --ignore-checksums -y php --version ((choco search php --exact --all-versions -r | select-string -pattern $env:php | sort { [version]($_ -split '\|' | select -last 1) } -Descending | Select-Object -first 1) -replace '[php|]','')
           # install sqlite
           appveyor-retry choco install --no-progress -y sqlite