Revert "Add runtime linker path to pkg-config files (#740)" (#838)

This reverts commit 31754d4ffce14153b5c2addf7a11019ec23f51c1.
diff --git a/scripts/libbrotlicommon.pc.in b/scripts/libbrotlicommon.pc.in
index 10ca969..2a8cf7a 100644
--- a/scripts/libbrotlicommon.pc.in
+++ b/scripts/libbrotlicommon.pc.in
@@ -7,5 +7,5 @@
 URL: https://github.com/google/brotli
 Description: Brotli common dictionary library
 Version: @PACKAGE_VERSION@
-Libs: -L${libdir} -R${libdir} -lbrotlicommon
+Libs: -L${libdir} -lbrotlicommon
 Cflags: -I${includedir}
diff --git a/scripts/libbrotlidec.pc.in b/scripts/libbrotlidec.pc.in
index e7c3124..6f8ef2e 100644
--- a/scripts/libbrotlidec.pc.in
+++ b/scripts/libbrotlidec.pc.in
@@ -7,6 +7,6 @@
 URL: https://github.com/google/brotli
 Description: Brotli decoder library
 Version: @PACKAGE_VERSION@
-Libs: -L${libdir} -R${libdir} -lbrotlidec
+Libs: -L${libdir} -lbrotlidec
 Requires.private: libbrotlicommon >= 1.0.2
 Cflags: -I${includedir}
diff --git a/scripts/libbrotlienc.pc.in b/scripts/libbrotlienc.pc.in
index 4dd0811..2098afe 100644
--- a/scripts/libbrotlienc.pc.in
+++ b/scripts/libbrotlienc.pc.in
@@ -7,6 +7,6 @@
 URL: https://github.com/google/brotli
 Description: Brotli encoder library
 Version: @PACKAGE_VERSION@
-Libs: -L${libdir} -R${libdir} -lbrotlienc
+Libs: -L${libdir} -lbrotlienc
 Requires.private: libbrotlicommon >= 1.0.2
 Cflags: -I${includedir}