configure: Remove obsolete --disable-verify option

rust-installer never verifies.

Author: brson

configure

@@ -540,7 +540,6 @@ opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
 opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
 opt rpath 0 "build rpaths into rustc itself"
-opt verify-install 1 "verify installed binaries work"
 # This is used by the automation to produce single-target nightlies
 opt dist-host-only 0 "only install bins for the host architecture"
 opt inject-std-version 1 "inject the current compiler version of libstd into programs"

mk/install.mk

@@ -8,12 +8,6 @@
 # option. This file may not be copied, modified, or distributed
 # except according to those terms.
 
-ifdef CFG_DISABLE_VERIFY_INSTALL
-MAYBE_DISABLE_VERIFY=--disable-verify
-else
-MAYBE_DISABLE_VERIFY=
-endif
-
 install:
 ifeq (root user, $(USER) $(patsubst %,user,$(SUDO_USER)))
 # Build the dist as the original user
@@ -22,9 +16,9 @@ else
 	$(Q)$(MAKE) prepare_install
 endif
 ifeq ($(CFG_DISABLE_DOCS),)
-	$(Q)cd tmp/empty_dir && sh ../../tmp/dist/$(DOC_PKG_NAME)-$(CFG_BUILD)/install.sh --prefix="$(DESTDIR)$(CFG_PREFIX)" --libdir="$(DESTDIR)$(CFG_LIBDIR)" --mandir="$(DESTDIR)$(CFG_MANDIR)" "$(MAYBE_DISABLE_VERIFY)"
+	$(Q)cd tmp/empty_dir && sh ../../tmp/dist/$(DOC_PKG_NAME)-$(CFG_BUILD)/install.sh --prefix="$(DESTDIR)$(CFG_PREFIX)" --libdir="$(DESTDIR)$(CFG_LIBDIR)" --mandir="$(DESTDIR)$(CFG_MANDIR)"
 endif
-	$(Q)cd tmp/empty_dir && sh ../../tmp/dist/$(PKG_NAME)-$(CFG_BUILD)/install.sh --prefix="$(DESTDIR)$(CFG_PREFIX)" --libdir="$(DESTDIR)$(CFG_LIBDIR)" --mandir="$(DESTDIR)$(CFG_MANDIR)" "$(MAYBE_DISABLE_VERIFY)"
+	$(Q)cd tmp/empty_dir && sh ../../tmp/dist/$(PKG_NAME)-$(CFG_BUILD)/install.sh --prefix="$(DESTDIR)$(CFG_PREFIX)" --libdir="$(DESTDIR)$(CFG_LIBDIR)" --mandir="$(DESTDIR)$(CFG_MANDIR)"
 # Remove tmp files because it's a decent amount of disk space
 	$(Q)rm -R tmp/dist