recipes: Remove redaundant devel libs lists

These are added implicitly when you add a library to files_libs

Fixes spurious warnings while building the recipes:

WARNING: No import libraries found for '/libgstvalidate-1.0.a'
WARNING: No import libraries found for '/libgstvalidate-1.0.la'
WARNING: No import libraries found for '/libges-1.0.a'
WARNING: No import libraries found for '/libges-1.0.la'
7 jobs for fix-implib-warnings in 61 minutes and 47 seconds (queued for 1 second)
Status Name Job ID Coverage
  Preparation
passed manifest #82146

00:00:38

 
  Build
passed cerbero deps fedora x86_64 #82147

00:49:58

passed cerbero deps windows x86 #82148

00:48:23

passed cerbero deps windows x86_64 #82149

00:48:42

 
  Full Builds
passed build cerbero cross win32 #82151

00:11:10

passed build cerbero cross win64 #82152

00:06:27

passed build cerbero fedora x86_64 #82150

00:06:49