Remove unnecessary override to the same value.

Co-authored-by: DWesl <[email protected]>

Author: jaraco

distutils/unixccompiler.py

@@ -146,7 +146,6 @@ class UnixCCompiler(CCompiler):
         exe_extension = ".exe"
         shared_lib_extension = ".dll.a"
         dylib_lib_extension = ".dll"
-        static_lib_format = shared_lib_format = "lib%s%s"
         dylib_lib_format = "cyg%s%s"
 
     def preprocess(