Add compile flag `--conda-warnings off` only if pyccel version is 1.8.0 or greater.

This allows for faster compilation; pyccel v1.8.0 got a littel slower than previosu versions.

src/gvec_to_python/console/compile.py

@@ -3,13 +3,23 @@ def compile_gvec_to_python():
     import subprocess
     import os
     import gvec_to_python
+    import pyccel
 
     libpath = gvec_to_python.__path__[0]
     
+    # pyccel flags
+    flags = ''
+    
+    _li = pyccel.__version__.split('.')
+    _num = int(_li[0])*100 + int(_li[1])*10 + int(_li[2])
+    if _num >= 180:
+        flags += '--conda-warnings off'
+    
     print('\nCompiling gvec-to-python kernels ...')
     subprocess.run(['make', 
                     '-f', 
                     os.path.join(libpath, 'Makefile'),
+                    'flags=' + flags,
                     'install_path=' + libpath,
                     ], check=True, cwd=libpath)
     print('Done.')