tests: remove extraframework test for python

This tries to link the system provided python, which is deprecated and
will result in an ambiguous error like "your binary is not an allowed
client of .../Library/Frameworks/python.framework/python.tbd for
architecture x86_64".

test cases/osx/5 extra frameworks/meson.build

@@ -6,8 +6,5 @@ assert(dep_libs.type_name() == 'extraframeworks', 'type_name is ' + dep_libs.typ
 dep_main = dependency('Foundation')
 assert(dep_main.type_name() == 'extraframeworks', 'type_name is ' + dep_main.type_name())
 
-dep_py = dependency('python', method : 'extraframework')
-assert(dep_main.type_name() == 'extraframeworks', 'type_name is ' + dep_main.type_name())
-
 stlib = static_library('stat', 'stat.c', install : true, dependencies: dep_libs)
 exe = executable('prog', 'prog.c', install : true, dependencies: dep_main)