Drop unnecessary explicit dependencies on pkgconfig

libIDL.spec

@@ -48,7 +48,6 @@ Patch4:         libIDL-0.8.14-old-libIDL-config-script.patch
 
 BuildRequires:  gcc
 BuildRequires:  make
-BuildRequires:  pkgconfig
 BuildRequires:  glib2-devel
 BuildRequires:  flex
 BuildRequires:  bison
@@ -67,7 +66,6 @@ used for both COM-style and CORBA-style IDL.}
 %package devel
 Summary:        Development libraries and header files for libIDL
 Requires:       %{name} = %{version}-%{release}
-Requires:       pkgconfig
 Requires:       glib2-devel%{?_isa}
 
 %description devel  %{common_description}