Remove enableRoslynAnalyzers from codespace default settings
Remove enableRoslynAnalyzers from codespace default settings

Follow up to https://github.com/dotnet/roslyn/pull/60165

We don't think this is the right default as users probably don't want this unless they have at least 8 cores.
jasonmalinowski/roslyn,dotnet/roslyn,weltkante/roslyn,bartdesmet/roslyn,bartdesmet/roslyn,dotnet/roslyn,KevinRansom/roslyn,shyamnamboodiripad/roslyn,CyrusNajmabadi/roslyn,shyamnamboodiripad/roslyn,KevinRansom/roslyn,weltkante/roslyn,dotnet/roslyn,mavasani/roslyn,weltkante/roslyn,CyrusNajmabadi/roslyn,mavasani/roslyn,CyrusNajmabadi/roslyn,jasonmalinowski/roslyn,shyamnamboodiripad/roslyn,jasonmalinowski/roslyn,mavasani/roslyn,KevinRansom/roslyn,bartdesmet/roslyn