Remove [system] declaration attribute from generated module maps

CHANGELOG.md

@@ -20,6 +20,10 @@ To install release candidates run `[sudo] gem install cocoapods --pre`
 
 ##### Bug Fixes
 
+* Remove [system] declaration attribute from generated module maps  
+  [Dimitris Koutsogiorgas](https://github.com/dnkoutso)
+  [#7589](https://github.com/CocoaPods/CocoaPods/issues/7589)
+
 * Properly namespace Info.plist names during target installation  
   [Dimitris Koutsogiorgas](https://github.com/dnkoutso)
   [#7611](https://github.com/CocoaPods/CocoaPods/pull/7611)

lib/cocoapods/generator/module_map.rb

@@ -90,12 +90,9 @@ module Pod
       end
 
       # The suffix attributes to `module`.
-      # Ensures that library module maps are treated as `system` modules,
-      # supressing warnings when imported, as is done for header imports given via `-isystem`.
       #
       def module_declaration_attributes
-        return '' if target.requires_frameworks?
-        ' [system]'
+        ''
       end
     end
   end

cocoapods-integration-specs @ 482395da

-Subproject commit 7687e181cfc3200ff143e5dc1c9d7a8a378befcf
+Subproject commit 482395da30d5fc55872498d471f2173dc94e8331

spec/unit/generator/module_map_spec.rb

@@ -27,7 +27,7 @@ module Pod
       @pod_target.stubs(:requires_frameworks?).returns(false)
       @gen.save_as(path)
       path.read.should == <<-EOS.strip_heredoc
-        module BananaLib [system] {
+        module BananaLib {
           umbrella header "BananaLib-umbrella.h"
 
           export *