[ios] Remove last remnants of appledoc & docsets (#7418)

These scripts are broken and no longer useful in a post-jazzy world.

platform/ios/docs/install_docs.sh

@@ -1,34 +0,0 @@
-#!/usr/bin/env bash
-
-if [ -z `which appledoc` ]; then
-    echo "Unable to find appledoc. See https://github.com/mapbox/mapbox-gl-native/blob/master/docs/BUILD_IOS_OSX.md"
-    exit 1
-fi
-
-OUTPUT="/tmp/`uuidgen`"
-
-DOCS_VERSION=$( git tag | grep ^ios | sed 's/^ios-//' | sort -r | grep -v '\-rc.' | grep -v '\-pre.' | sed -n '1p' | sed 's/^v//' )
-echo "Creating new docs for ${DOCS_VERSION}..."
-echo
-
-rm -rf /tmp/mbgl
-mkdir -p /tmp/mbgl/
-README=/tmp/mbgl/GL-README.md
-cat ./pod-README.md > ${README}
-echo >> ${README}
-echo -n "#" >> ${README}
-cat ../../CHANGELOG.md | sed -n "/^## iOS ${DOCS_VERSION}/,/^##/p" | sed '$d' >> ${README}
-# Copy headers to a temporary location where we can substitute macros that appledoc doesn't understand.
-cp -r ../../platform/ios/include /tmp/mbgl
-perl \
-    -pi \
-    -e 's/NS_(?:(MUTABLE)_)?(ARRAY|SET|DICTIONARY)_OF\(\s*(.+?)\s*\)/NS\L\u$1\u$2\E <$3>/g' \
-    /tmp/mbgl/ios/*.h
-appledoc \
-    --output ${OUTPUT} \
-    --project-name "Mapbox iOS SDK ${DOCS_VERSION}" \
-    --project-company Mapbox \
-    --create-docset \
-    --company-id com.mapbox \
-    --index-desc ${README} \
-    /tmp/mbgl/ios

platform/ios/docs/remove_docs.sh

@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-
-echo
-echo "Removing docs from ~/Library/Developer/Shared/Documentation/DocSets..."
-echo
-
-rm -rfv ~/Library/Developer/Shared/Documentation/DocSets/com.mapbox.Mapbox-GL-*