dev-libs/snowball-stemmer: remove unused patch

Signed-off-by: Michael Mair-Keimberger <mm1ke@gentoo.org>

dev-libs/snowball-stemmer/files/snowball-stemmer-2.1.0-shared-library.patch

@@ -1,58 +0,0 @@
-This is based on a patch taken from alpinelinux, however, duplicated
-libstemmer.o and stemwords targets were removed.
-
-Created shared library contains a lot of relocations, which slow down loading.
-It is known issue and probably the main reason why upstream does not support
-shared library yet [1].
-
-[1] https://github.com/snowballstem/snowball/issues/34#issuecomment-203200078
-
-Alpinelinux-patch: https://git.alpinelinux.org/aports/tree/community/snowball/libstemmer-library.patch?id=28f9d9e192876c43fd96bc5856cd9d8a50dd49c0
-Upstream-issue: https://github.com/snowballstem/snowball/issues/34
-
-diff --git a/GNUmakefile b/GNUmakefile
-index 5cb2179..d1ef193 100644
---- a/GNUmakefile
-+++ b/GNUmakefile
-@@ -3,6 +3,7 @@
- # After changing this, run `make update_version` to update various sources
- # which hard-code it.
- SNOWBALL_VERSION = 2.1.0
-+MAJOR_VERSION := $(shell echo $(SNOWBALL_VERSION) | cut -d. -f1)
- 
- c_src_dir = src_c
- 
-@@ -162,10 +163,18 @@ C_OTHER_OBJECTS = $(C_OTHER_SOURCES:.c=.o)
- JAVA_CLASSES = $(JAVA_SOURCES:.java=.class)
- JAVA_RUNTIME_CLASSES=$(JAVARUNTIME_SOURCES:.java=.class)
- 
--CFLAGS=-O2 -W -Wall -Wmissing-prototypes -Wmissing-declarations
--CPPFLAGS=-Iinclude
-+CFLAGS+=-fPIC -W -Wall -Wmissing-prototypes -Wmissing-declarations
-+CPPFLAGS+=-Iinclude
- 
--all: snowball libstemmer.o stemwords $(C_OTHER_SOURCES) $(C_OTHER_HEADERS) $(C_OTHER_OBJECTS)
-+all: snowball libstemmer.o libstemmer.so libstemmer.a stemwords $(C_OTHER_SOURCES) $(C_OTHER_HEADERS) $(C_OTHER_OBJECTS)
-+
-+libstemmer.so: libstemmer/libstemmer.o $(RUNTIME_OBJECTS) $(C_LIB_OBJECTS)
-+	$(CC) $(CFLAGS) -shared $(LDFLAGS) -Wl,-soname,$@.$(MAJOR_VERSION),-version-script,libstemmer/symbol.map -o $@.$(SNOWBALL_VERSION) $^
-+	ln -s $@.$(SNOWBALL_VERSION) $@.$(MAJOR_VERSION)
-+	ln -s $@.$(SNOWBALL_VERSION) $@
-+
-+libstemmer.a: libstemmer.o
-+	$(AR) -crs $@ $^
- 
- clean:
- 	rm -f $(COMPILER_OBJECTS) $(RUNTIME_OBJECTS) \
-diff --git a/libstemmer/symbol.map b/libstemmer/symbol.map
-new file mode 100644
-index 0000000..7a3d423
---- /dev/null
-+++ b/libstemmer/symbol.map
-@@ -0,0 +1,6 @@
-+SB_STEMMER_0 {
-+    global:
-+        sb_stemmer_*;
-+    local:
-+        *;
-+};