Remove explicitRequirement?

[tinchodias]

I find 91 senders of explicitRequirement, and apparently we are removing its use (In Roassal: pharo-graphics/Roassal#80).

@Ducasse should we remove them, right?

(SystemNavigation new allReferencesTo: #explicitRequirement)
	select: [ :each | each package name includesSubstring: 'Bloc' ]

Output:

BlHeadlessHostSpace>>#createFormSurfaceRenderer
BlMockedHostSpace>>#createBufferSurfaceRenderer
BlMockedHostSpace>>#createFormSurfaceRenderer
BlMockedHostSpace>>#isResizable
BlMockedHostSpace>>#toFront
BlMockedHostSpace>>#resizable:
BlMockedHostSpace>>#toBack
BlMorphicHostSpace>>#isVisible
BlMorphicHostSpace>>#icon:
BlMorphicHostSpace>>#createBufferSurfaceRenderer
BlMorphicHostSpace>>#isFullscreen
BlMorphicHostSpace>>#minimize
BlMorphicHostSpace>>#maximized
BlMorphicHostSpace>>#isResizable
BlMorphicHostSpace>>#toFront
BlMorphicHostSpace>>#resizable:
BlMorphicHostSpace>>#minimized
BlMorphicHostSpace>>#toBack
BlMorphicHostSpace>>#maximize
BlMorphicHostSpace>>#fullscreen:
BlMorphicWindowHostSpace>>#icon:
BlMorphicWindowHostSpace>>#createBufferSurfaceRenderer
BlMorphicWindowHostSpace>>#isFullscreen
BlMorphicWindowHostSpace>>#minimize
BlMorphicWindowHostSpace>>#maximized
BlMorphicWindowHostSpace>>#isResizable
BlMorphicWindowHostSpace>>#toFront
BlMorphicWindowHostSpace>>#resizable:
BlMorphicWindowHostSpace>>#minimized
BlMorphicWindowHostSpace>>#toBack
BlMorphicWindowHostSpace>>#maximize
BlMorphicWindowHostSpace>>#fullscreen:
BlOSWindowHostSpace>>#icon:
BlOSWindowHostSpace>>#createBufferSurfaceRenderer
BlOSWindowHostSpace>>#createFormSurfaceRenderer
BlOSWindowHostSpace>>#toFront
BlOSWindowHostSpace>>#toBack
BlOSWindowHostSpace>>#fullsize:
BlOSWindowHostSpace>>#isFullsize
TBlAlignable>>#horizontalAlignment:
TBlAlignable>>#verticalAlignment:
TBlAlignable>>#verticalAlignment
TBlAlignable>>#horizontalAlignment
TBlAnnounceable>>#ensureAnnouncer
TBlAnnounceable>>#privateAnnouncer
TBlChildrenTest>>#newChildrenCollection
TBlDevScripterCheckStepCreation>>#addStep:
TBlDevScripterCompositeStepTarget>>#previousTarget
TBlDevScripterTarget>>#target:
TBlDevScripterTarget>>#target
TBlEventTarget>>#eventDispatcher
TBlFontDescriptor>>#fontPropertiesTarget
TBlHostSpace>>#isVisible
TBlHostSpace>>#windowExtent:
TBlHostSpace>>#show
TBlHostSpace>>#close
TBlHostSpace>>#maximize
TBlHostSpace>>#createBufferSurfaceRenderer
TBlHostSpace>>#createFormSurfaceRenderer
TBlHostSpace>>#logicalSize
TBlHostSpace>>#minimize
TBlHostSpace>>#maximized
TBlHostSpace>>#physicalSize
TBlHostSpace>>#cursor:
TBlHostSpace>>#toFront
TBlHostSpace>>#needsRebuild
TBlHostSpace>>#densityDpi
TBlHostSpace>>#minimized
TBlHostSpace>>#toBack
TBlScrollable>>#scrollFlinger
TBlScrollable>>#scrollState:
TBlScrollable>>#scrollState
TBlScrollable>>#scrollPosition
TBlSpaceProperties>>#isBorderless
TBlSpaceProperties>>#resizable:
TBlSpaceProperties>>#icon:
TBlSpaceProperties>>#position:
TBlSpaceProperties>>#isFullsize
TBlSpaceProperties>>#isFullscreen
TBlSpaceProperties>>#fullsize:
TBlSpaceProperties>>#position
TBlSpaceProperties>>#isResizable
TBlSpaceProperties>>#title:
TBlSpaceProperties>>#title
TBlSpaceProperties>>#fullscreen:
TBlSpaceProperties>>#borderless:
TBlTextAttributesFinder>>#findAttribute:indicesDo:
TBlTextAttributesFinder>>#findAttributesSuchThat:indicesDo:
TBlTextStyleable>>#attributesBuilder
TBlTransformable>>#transformation
TBlTransformable>>#transformation: