Decouple IncompatibleCxxStdlibs from its superclass

This exception is never used outside of the CxxStdlib class, so we don't
need the Homebrew::InstallationError superclass.

1 files changed, 0 insertions, 9 deletions

diff --git a/Library/Homebrew/exceptions.rb b/Library/Homebrew/exceptions.rb
index d0d83bc89..743f63b0f 100644
--- a/Library/Homebrew/exceptions.rb
+++ b/Library/Homebrew/exceptions.rb
@@ -112,15 +112,6 @@ class UnsatisfiedRequirements < Homebrew::InstallationError
   end
 end
 
-class IncompatibleCxxStdlibs < Homebrew::InstallationError
-  def initialize(f, dep, wrong, right)
-    super f, <<-EOS.undent
-    #{f} dependency #{dep} was built with a different C++ standard
-    library (#{wrong.type_string} from #{wrong.compiler}). This could cause problems at runtime.
-    EOS
-  end
-end
-
 class FormulaConflictError < Homebrew::InstallationError
   attr_reader :f, :conflicts