ClangImporter: remove use of `-iapinotes-modules`
ClangImporter: remove use of `-iapinotes-modules`

This should no longer be needed with `-fapinotes-modules`.  We would add
all header search paths as APINotes search directories which should not
be required.

rudkx/swift,allevato/swift,stephentyrone/swift,airspeedswift/swift,nathawes/swift,apple/swift,atrick/swift,brentdax/swift,natecook1000/swift,stephentyrone/swift,natecook1000/swift,allevato/swift,harlanhaskins/swift,ahoppen/swift,gribozavr/swift,glessard/swift,austinzheng/swift,karwa/swift,allevato/swift,jopamer/swift,tkremenek/swift,jckarter/swift,natecook1000/swift,amraboelela/swift,jckarter/swift,xedin/swift,danielmartin/swift,parkera/swift,lorentey/swift,shahmishal/swift,roambotics/swift,atrick/swift,sschiau/swift,tkremenek/swift,parkera/swift,aschwaighofer/swift,danielmartin/swift,JGiola/swift,amraboelela/swift,jckarter/swift,sschiau/swift,brentdax/swift,airspeedswift/swift,xwu/swift,airspeedswift/swift,parkera/swift,alblue/swift,jmgc/swift,shahmishal/swift,karwa/swift,CodaFi/swift,hooman/swift,hooman/swift,nathawes/swift,tkremenek/swift,lorentey/swift,gribozavr/swift,jopamer/swift,rudkx/swift,lorentey/swift,jmgc/swift,harlanhaskins/swift,brentdax/swift,devincoughlin/swift,glessard/swift,benlangmuir/swift,roambotics/swift,jopamer/swift,airspeedswift/swift,natecook1000/swift,devincoughlin/swift,apple/swift,atrick/swift,harlanhaskins/swift,xwu/swift,austinzheng/swift,parkera/swift,JGiola/swift,harlanhaskins/swift,huonw/swift,danielmartin/swift,gregomni/swift,shajrawi/swift,roambotics/swift,CodaFi/swift,brentdax/swift,huonw/swift,huonw/swift,alblue/swift,hooman/swift,lorentey/swift,nathawes/swift,gribozavr/swift,sschiau/swift,glessard/swift,jopamer/swift,karwa/swift,rudkx/swift,apple/swift,karwa/swift,jmgc/swift,xedin/swift,devincoughlin/swift,natecook1000/swift,airspeedswift/swift,karwa/swift,ahoppen/swift,jmgc/swift,brentdax/swift,xwu/swift,gregomni/swift,hooman/swift,aschwaighofer/swift,benlangmuir/swift,shahmishal/swift,austinzheng/swift,lorentey/swift,practicalswift/swift,practicalswift/swift,xwu/swift,JGiola/swift,tkremenek/swift,gribozavr/swift,CodaFi/swift,roambotics/swift,aschwaighofer/swift,gribozavr/swift,shajrawi/swift,aschwaighofer/swift,amraboelela/swift,shajrawi/swift,huonw/swift,lorentey/swift,jopamer/swift,hooman/swift,tkremenek/swift,tkremenek/swift,lorentey/swift,stephentyrone/swift,harlanhaskins/swift,sschiau/swift,amraboelela/swift,CodaFi/swift,nathawes/swift,rudkx/swift,alblue/swift,practicalswift/swift,gregomni/swift,apple/swift,nathawes/swift,shahmishal/swift,sschiau/swift,atrick/swift,devincoughlin/swift,aschwaighofer/swift,danielmartin/swift,ahoppen/swift,CodaFi/swift,brentdax/swift,devincoughlin/swift,glessard/swift,austinzheng/swift,nathawes/swift,shajrawi/swift,practicalswift/swift,rudkx/swift,JGiola/swift,airspeedswift/swift,parkera/swift,huonw/swift,practicalswift/swift,roambotics/swift,jmgc/swift,JGiola/swift,glessard/swift,xedin/swift,atrick/swift,austinzheng/swift,karwa/swift,gribozavr/swift,danielmartin/swift,parkera/swift,xedin/swift,harlanhaskins/swift,benlangmuir/swift,jopamer/swift,gribozavr/swift,rudkx/swift,lorentey/swift,atrick/swift,parkera/swift,xedin/swift,parkera/swift,alblue/swift,practicalswift/swift,natecook1000/swift,allevato/swift,hooman/swift,benlangmuir/swift,jckarter/swift,alblue/swift,ahoppen/swift,benlangmuir/swift,sschiau/swift,sschiau/swift,hooman/swift,devincoughlin/swift,shahmishal/swift,jopamer/swift,apple/swift,huonw/swift,JGiola/swift,xwu/swift,allevato/swift,shahmishal/swift,gregomni/swift,CodaFi/swift,aschwaighofer/swift,airspeedswift/swift,austinzheng/swift,xedin/swift,jckarter/swift,ahoppen/swift,jmgc/swift,allevato/swift,natecook1000/swift,ahoppen/swift,shajrawi/swift,huonw/swift,allevato/swift,alblue/swift,xwu/swift,shahmishal/swift,karwa/swift,amraboelela/swift,gribozavr/swift,xwu/swift,jckarter/swift,practicalswift/swift,stephentyrone/swift,devincoughlin/swift,harlanhaskins/swift,practicalswift/swift,alblue/swift,aschwaighofer/swift,sschiau/swift,gregomni/swift,CodaFi/swift,amraboelela/swift,danielmartin/swift,benlangmuir/swift,xedin/swift,roambotics/swift,xedin/swift,tkremenek/swift,shajrawi/swift,stephentyrone/swift,nathawes/swift,amraboelela/swift,gregomni/swift,stephentyrone/swift,glessard/swift,shajrawi/swift,shajrawi/swift,jmgc/swift,karwa/swift,brentdax/swift,shahmishal/swift,devincoughlin/swift,stephentyrone/swift,austinzheng/swift,apple/swift,jckarter/swift,danielmartin/swift