Skip mingw via conda and skip all Perl configuration (modules are missing now)

Author: willend

meta-pkgs/windows/McXtrace-metapackage64.iss

@@ -32,7 +32,6 @@ SolidCompression=yes
 Name: "english"; MessagesFile: "compiler:Default.isl"
 
 [Files]
-Source: "postsetup.bat"; DestDir: "{tmp}"
 Source: "python-install.bat"; DestDir: "{tmp}"
 Source: "docupdate.bat"; DestDir: "{tmp}"
 Source: "dist\mcxtrace-NSIS64-@[email protected]"; DestDir: "{tmp}"
@@ -52,7 +51,6 @@ Source: "Support\Miniconda3-latest-Windows-x86_64.exe"; DestDir: "{tmp}"
 
 [Run]
 Filename: "{tmp}\python-install.bat"
-Filename: "{tmp}\postsetup.bat"
 Filename: "{tmp}\mcxtrace-NSIS64-@[email protected]"; Parameters: "/S"
 Filename: "{tmp}\mcxtrace-comps-NSIS64-@[email protected]"; Parameters: "/S"
 Filename: "{tmp}\mcxtrace-manuals-NSIS64-@[email protected]"; Parameters: "/S"

meta-pkgs/windows/python-install.bat.in

@@ -9,7 +9,6 @@
 @echo Miniconda install completed, proceeding with McCode dependencies...
 @SET PATH=c:\\@FLAVOR@-@VERSION@\\bin;c:\\@FLAVOR@-@VERSION@\\miniconda3;c:\\@FLAVOR@-@VERSION@\\miniconda3\\Scripts\\;c:\\@FLAVOR@-@VERSION@\\miniconda3\\Library\\bin;c:\\@FLAVOR@-@VERSION@\\miniconda3\\Library\\mingw-w64\\bin;%PATH%
 @REM conda config --add channels conda-forge
-@conda install mingw -y
 @conda install -c msys2 m2w64-gsl -y
 @conda install matplotlib numpy scipy pillow -y
 @pip install pyqt5 qscintilla mpld3 pyqtgraph pyaml ply tornado pillow