* mozilla_encoding_detection: Remove the check for GCC 4.4, because it is not needed

git-svn-id: https://svn.code.sf.net/p/codeblocks/code/trunk@9295 2a5c6006-c6dd-42ca-98ab-0921f2732cef
revert r9249 "* force use of gcc 4.4 if spec-file is used on CentOS/RedHat < 6..."

The requirement for GCC 4.4 has been removed in the previous commit

git-svn-id: https://svn.code.sf.net/p/codeblocks/code/trunk@9296 2a5c6006-c6dd-42ca-98ab-0921f2732cef