build: remove vc redist install from inno setup packaging

dist/scwpic.iss.in.toml

@@ -12,7 +12,3 @@ comment = "Group caption for the extra installer task options."
 [strings.MyAssociateWithFiles]
 msgid = "Associate %1 with its supported file types."
 comment = "Installer task description. %1 is the application name."
-
-[strings.MyInstallVcRedist]
-msgid = "Installing Microsoft Visual C++ Redistributable..."
-comment = "Status message shown while installing the VC++ runtime."