DOC: fix scipy-sphinx-theme license path
DOC: fix scipy-sphinx-theme license path

In base LICENSE.txt under scipy-sphinx-theme, LICENSE.txt path is wrong.

Point to right path:
doc/scipy-sphinx-theme/LICENSE.txt
instead of:
doc/sphinxext/LICENSE.txt

Signed-off-by: Giulio Benetti <35002f362ab5bc9ce160b75d15a016da7380750c@micronovasrl.com>

numpy/numpy,endolith/numpy,madphysicist/numpy,WarrenWeckesser/numpy,seberg/numpy,endolith/numpy,WarrenWeckesser/numpy,jorisvandenbossche/numpy,grlee77/numpy,pizzathief/numpy,grlee77/numpy,ahaldane/numpy,rgommers/numpy,pbrod/numpy,charris/numpy,abalkin/numpy,WarrenWeckesser/numpy,pdebuyl/numpy,pdebuyl/numpy,shoyer/numpy,shoyer/numpy,mattip/numpy,anntzer/numpy,WarrenWeckesser/numpy,jorisvandenbossche/numpy,grlee77/numpy,anntzer/numpy,jorisvandenbossche/numpy,madphysicist/numpy,numpy/numpy,mhvk/numpy,endolith/numpy,gfyoung/numpy,simongibbons/numpy,shoyer/numpy,charris/numpy,madphysicist/numpy,abalkin/numpy,MSeifert04/numpy,simongibbons/numpy,mattip/numpy,MSeifert04/numpy,jakirkham/numpy,mhvk/numpy,simongibbons/numpy,pdebuyl/numpy,mhvk/numpy,jorisvandenbossche/numpy,simongibbons/numpy,ahaldane/numpy,seberg/numpy,endolith/numpy,pbrod/numpy,rgommers/numpy,simongibbons/numpy,pizzathief/numpy,pbrod/numpy,ahaldane/numpy,pizzathief/numpy,jakirkham/numpy,madphysicist/numpy,mattip/numpy,numpy/numpy,jakirkham/numpy,mattip/numpy,jakirkham/numpy,anntzer/numpy,pbrod/numpy,grlee77/numpy,rgommers/numpy,charris/numpy,charris/numpy,pbrod/numpy,grlee77/numpy,MSeifert04/numpy,gfyoung/numpy,MSeifert04/numpy,rgommers/numpy,shoyer/numpy,ahaldane/numpy,mhvk/numpy,ahaldane/numpy,pdebuyl/numpy,MSeifert04/numpy,shoyer/numpy,pizzathief/numpy,mhvk/numpy,abalkin/numpy,WarrenWeckesser/numpy,pizzathief/numpy,numpy/numpy,seberg/numpy,gfyoung/numpy,jorisvandenbossche/numpy,anntzer/numpy,seberg/numpy,jakirkham/numpy,madphysicist/numpy