recipes: Drop remaining PR values from recipes

* as oe-core did in:
  https://git.openembedded.org/openembedded-core/commit/?id=d4c346e8ab

* when people are have to maintain own PRs for recipes in oe-core, they
  might add them for meta-oe recipes at the same time when upgrading
  to next LTS

Signed-off-by: Martin Jansa <martin.jansa@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/eject/eject_2.1.5.bb

@@ -18,7 +18,6 @@ SRC_URI[sha256sum] = "ef9f7906484cfde4ba223b2682a37058f9a3c7d3bb1adda7a34a67402e
 
 S = "${WORKDIR}/${BPN}"
 
-PR = "r1"
 
 do_compile:prepend() {
     # PO subdir must be in build directory

meta-oe/recipes-support/fbset/fbset-modes.bb

@@ -4,7 +4,6 @@ LICENSE = "MIT"
 LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
 
 PV = "0.1.0"
-PR = "r6"
 
 SRC_URI = "file://fb.modes"
 S = "${WORKDIR}"

meta-oe/recipes-support/fbset/fbset_2.1.bb

@@ -12,7 +12,6 @@ LIC_FILES_CHKSUM = "file://fbset.c;endline=19;md5=bf326f82cdfcac391af208f019c560
 RRECOMMENDS:${PN} = "fbset-modes"
 DEPENDS = "bison-native flex-native"
 
-PR = "r4"
 
 SRC_URI = "${DEBIAN_MIRROR}/main/f/fbset/fbset_2.1.orig.tar.gz \
            file://makefile.patch \

meta-oe/recipes-support/gpm/gpm_git.bb

@@ -8,7 +8,6 @@ LICENSE = "GPL-2.0-or-later"
 LIC_FILES_CHKSUM = "file://COPYING;md5=18810669f13b87348459e611d31ab760"
 
 PV = "1.99.7+git${SRCREV}"
-PR = "r2"
 SRCREV = "e82d1a653ca94aa4ed12441424da6ce780b1e530"
 
 DEPENDS = "ncurses bison-native"

meta-oe/recipes-support/hddtemp/hddtemp_0.3-beta15.bb

@@ -2,7 +2,6 @@ SUMMARY = "Hard disk temperature monitor daemon"
 SECTION = "console/network"
 LICENSE = "GPL-2.0-or-later"
 
-PR = "r1"
 
 SRC_URI = "${SAVANNAH_NONGNU_MIRROR}/hddtemp/hddtemp-0.3-beta15.tar.bz2 \
            file://hddtemp-no-nls-support.patch \

meta-oe/recipes-support/libtinyxml/libtinyxml_2.6.2.bb

@@ -6,7 +6,6 @@ LICENSE = "Zlib"
 LIC_FILES_CHKSUM = "file://readme.txt;md5=f8f366f3370dda889f60faa7db162cf4"
 SECTION = "libs"
 
-PR = "r5"
 
 SRC_URI = "${SOURCEFORGE_MIRROR}/tinyxml/tinyxml_${@'${PV}'.replace('.', '_')}.tar.gz \
            file://enforce-use-stl.patch \

meta-oe/recipes-support/p910nd/p910nd_0.97.bb

@@ -4,7 +4,6 @@ SECTION = "console/utils"
 LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://LICENSE.md;md5=3d82780e8917b360cbee7b9ec3e40734"
 
-PR = "r2"
 
 # v0.97
 SRCREV = "57ebc07ad8723ea4106090536c58c7f7160743e2"