Remove "-c1" one-line config

This is broken and nobody noticed, so remove it.

Closes Homebrew/homebrew#23878.

Library/Homebrew/cmd/--config.rb

@@ -2,11 +2,7 @@ require 'hardware'
 
 module Homebrew extend self
   def __config
-    if ARGV.first == '-1'
-      dump_c1
-    else
-      dump_verbose_config
-    end
+    dump_verbose_config
   end
 
   def llvm
@@ -150,17 +146,4 @@ module Homebrew extend self
     puts "Python: #{describe_python}"
     puts "Ruby: #{describe_ruby}"
   end
-
-  def dump_c1
-    print "#{HOMEBREW_PREFIX}-#{HOMEBREW_VERSION} "
-    print MACOS_FULL_VERSION
-    print "-#{kernel}" if MacOS.version < :lion
-    print ' '
-    print MacOS::Xcode.prefix unless MacOS::Xcode.default_prefix?
-    print "#{MacOS::Xcode.version}"
-    print "-noclt" unless MacOS::CLT.installed?
-    print " clang-#{clang_build} llvm-#{llvm} "
-    print "#{MacOS::XQuartz.prefix}-#{MacOS::XQuartz.version}" if MacOS::XQuartz.prefix
-    puts
-  end
 end

Library/brew.rb

@@ -70,17 +70,13 @@ begin
              'abv' => 'info',
              'dr' => 'doctor',
              '--repo' => '--repository',
-             'environment' => '--env'  # same as gem
+             'environment' => '--env',
+             '-c1' => '--config',
              }
 
   cmd = ARGV.shift
   cmd = aliases[cmd] if aliases[cmd]
 
-  if cmd == '-c1' # Shortcut for one line of configuration
-    cmd = '--config'
-    ARGV.unshift('-1')
-  end
-
   sudo_check = Set.new %w[ install link pin unpin upgrade ]
 
   if sudo_check.include? cmd