Revert "Set -fvisibility-inlines-hidden throughout ROOT."
Revert "Set -fvisibility-inlines-hidden throughout ROOT."

Breaks roottest/python/cpp, and rightfully so: static variables inside inline functions shall share their values across libraries. Which means they must be visible.

This reverts commit df0a8c4b6415a23752b035b5785faa8ddb6c5927.

simonpf/root,karies/root,zzxuanyuan/root-compressor-dummy,davidlt/root,zzxuanyuan/root,abhinavmoudgil95/root,olifre/root,zzxuanyuan/root,gganis/root,bbockelm/root,simonpf/root,zzxuanyuan/root-compressor-dummy,root-mirror/root,BerserkerTroll/root,gganis/root,zzxuanyuan/root,zzxuanyuan/root,simonpf/root,bbockelm/root,davidlt/root,agarciamontoro/root,satyarth934/root,zzxuanyuan/root-compressor-dummy,karies/root,satyarth934/root,mhuwiler/rootauto,davidlt/root,zzxuanyuan/root-compressor-dummy,agarciamontoro/root,gbitzes/root,buuck/root,buuck/root,mhuwiler/rootauto,BerserkerTroll/root,root-mirror/root,zzxuanyuan/root,davidlt/root,bbockelm/root,abhinavmoudgil95/root,gbitzes/root,abhinavmoudgil95/root,satyarth934/root,buuck/root,gbitzes/root,satyarth934/root,gganis/root,mhuwiler/rootauto,root-mirror/root,satyarth934/root,buuck/root,mhuwiler/rootauto,root-mirror/root,gbitzes/root,satyarth934/root,zzxuanyuan/root-compressor-dummy,karies/root,gganis/root,root-mirror/root,abhinavmoudgil95/root,beniz/root,zzxuanyuan/root-compressor-dummy,BerserkerTroll/root,zzxuanyuan/root,olifre/root,abhinavmoudgil95/root,zzxuanyuan/root-compressor-dummy,bbockelm/root,simonpf/root,abhinavmoudgil95/root,davidlt/root,beniz/root,zzxuanyuan/root,buuck/root,gganis/root,karies/root,zzxuanyuan/root,agarciamontoro/root,beniz/root,gganis/root,agarciamontoro/root,gganis/root,root-mirror/root,buuck/root,mhuwiler/rootauto,root-mirror/root,karies/root,agarciamontoro/root,root-mirror/root,buuck/root,beniz/root,gbitzes/root,abhinavmoudgil95/root,zzxuanyuan/root,karies/root,satyarth934/root,BerserkerTroll/root,simonpf/root,bbockelm/root,gbitzes/root,agarciamontoro/root,zzxuanyuan/root-compressor-dummy,davidlt/root,gganis/root,simonpf/root,bbockelm/root,davidlt/root,mhuwiler/rootauto,satyarth934/root,BerserkerTroll/root,olifre/root,agarciamontoro/root,gbitzes/root,abhinavmoudgil95/root,simonpf/root,olifre/root,olifre/root,zzxuanyuan/root,simonpf/root,agarciamontoro/root,buuck/root,zzxuanyuan/root-compressor-dummy,gbitzes/root,bbockelm/root,beniz/root,gganis/root,zzxuanyuan/root-compressor-dummy,davidlt/root,beniz/root,satyarth934/root,simonpf/root,buuck/root,buuck/root,davidlt/root,gganis/root,karies/root,gganis/root,zzxuanyuan/root-compressor-dummy,beniz/root,satyarth934/root,karies/root,beniz/root,agarciamontoro/root,karies/root,gbitzes/root,zzxuanyuan/root,karies/root,bbockelm/root,agarciamontoro/root,olifre/root,simonpf/root,olifre/root,mhuwiler/rootauto,bbockelm/root,BerserkerTroll/root,buuck/root,simonpf/root,agarciamontoro/root,mhuwiler/rootauto,abhinavmoudgil95/root,mhuwiler/rootauto,beniz/root,davidlt/root,mhuwiler/rootauto,olifre/root,abhinavmoudgil95/root,satyarth934/root,BerserkerTroll/root,root-mirror/root,olifre/root,bbockelm/root,BerserkerTroll/root,mhuwiler/rootauto,gbitzes/root,davidlt/root,olifre/root,abhinavmoudgil95/root,zzxuanyuan/root,BerserkerTroll/root,BerserkerTroll/root,karies/root,olifre/root,root-mirror/root,beniz/root,bbockelm/root,root-mirror/root,beniz/root,BerserkerTroll/root,gbitzes/root