Remove messages about pear being removed in PHP 8+.

7.4/alpine3.11/cli/Dockerfile

@@ -146,7 +146,6 @@ RUN set -eux; \
 		--with-zlib \
 		\
 # in PHP 7.4+, the pecl/pear installers are officially deprecated (requiring an explicit "--with-pear")
-# ... and are removed in PHP 8+; see also https://github.com/docker-library/php/pull/847#issuecomment-505638229
 		--with-pear \
 		\
 # bundled pcre does not support JIT on s390x

7.4/alpine3.11/fpm/Dockerfile

@@ -148,7 +148,6 @@ RUN set -eux; \
 		--with-zlib \
 		\
 # in PHP 7.4+, the pecl/pear installers are officially deprecated (requiring an explicit "--with-pear")
-# ... and are removed in PHP 8+; see also https://github.com/docker-library/php/pull/847#issuecomment-505638229
 		--with-pear \
 		\
 # bundled pcre does not support JIT on s390x

7.4/alpine3.11/zts/Dockerfile

@@ -148,7 +148,6 @@ RUN set -eux; \
 		--with-zlib \
 		\
 # in PHP 7.4+, the pecl/pear installers are officially deprecated (requiring an explicit "--with-pear")
-# ... and are removed in PHP 8+; see also https://github.com/docker-library/php/pull/847#issuecomment-505638229
 		--with-pear \
 		\
 # bundled pcre does not support JIT on s390x

7.4/alpine3.12/cli/Dockerfile

@@ -146,7 +146,6 @@ RUN set -eux; \
 		--with-zlib \
 		\
 # in PHP 7.4+, the pecl/pear installers are officially deprecated (requiring an explicit "--with-pear")
-# ... and are removed in PHP 8+; see also https://github.com/docker-library/php/pull/847#issuecomment-505638229
 		--with-pear \
 		\
 # bundled pcre does not support JIT on s390x

7.4/alpine3.12/fpm/Dockerfile

@@ -148,7 +148,6 @@ RUN set -eux; \
 		--with-zlib \
 		\
 # in PHP 7.4+, the pecl/pear installers are officially deprecated (requiring an explicit "--with-pear")
-# ... and are removed in PHP 8+; see also https://github.com/docker-library/php/pull/847#issuecomment-505638229
 		--with-pear \
 		\
 # bundled pcre does not support JIT on s390x

7.4/alpine3.12/zts/Dockerfile

@@ -148,7 +148,6 @@ RUN set -eux; \
 		--with-zlib \
 		\
 # in PHP 7.4+, the pecl/pear installers are officially deprecated (requiring an explicit "--with-pear")
-# ... and are removed in PHP 8+; see also https://github.com/docker-library/php/pull/847#issuecomment-505638229
 		--with-pear \
 		\
 # bundled pcre does not support JIT on s390x

7.4/buster/apache/Dockerfile

@@ -223,7 +223,6 @@ RUN set -eux; \
 		--with-zlib \
 		\
 # in PHP 7.4+, the pecl/pear installers are officially deprecated (requiring an explicit "--with-pear")
-# ... and are removed in PHP 8+; see also https://github.com/docker-library/php/pull/847#issuecomment-505638229
 		--with-pear \
 		\
 # bundled pcre does not support JIT on s390x

7.4/buster/cli/Dockerfile

@@ -162,7 +162,6 @@ RUN set -eux; \
 		--with-zlib \
 		\
 # in PHP 7.4+, the pecl/pear installers are officially deprecated (requiring an explicit "--with-pear")
-# ... and are removed in PHP 8+; see also https://github.com/docker-library/php/pull/847#issuecomment-505638229
 		--with-pear \
 		\
 # bundled pcre does not support JIT on s390x

7.4/buster/fpm/Dockerfile

@@ -164,7 +164,6 @@ RUN set -eux; \
 		--with-zlib \
 		\
 # in PHP 7.4+, the pecl/pear installers are officially deprecated (requiring an explicit "--with-pear")
-# ... and are removed in PHP 8+; see also https://github.com/docker-library/php/pull/847#issuecomment-505638229
 		--with-pear \
 		\
 # bundled pcre does not support JIT on s390x

7.4/buster/zts/Dockerfile

@@ -164,7 +164,6 @@ RUN set -eux; \
 		--with-zlib \
 		\
 # in PHP 7.4+, the pecl/pear installers are officially deprecated (requiring an explicit "--with-pear")
-# ... and are removed in PHP 8+; see also https://github.com/docker-library/php/pull/847#issuecomment-505638229
 		--with-pear \
 		\
 # bundled pcre does not support JIT on s390x