Remove unused .txt suffixes

Author: brianhlin

Makefile

@@ -1,13 +1,13 @@
-sources = isrgrootx1.signing_policy.txt \
-          letsencryptauthorityx3.signing_policy.txt \
-          letsencryptauthorityx4.signing_policy.txt
+sources = isrgrootx1.signing_policy \
+          letsencryptauthorityx3.signing_policy \
+          letsencryptauthorityx4.signing_policy
 
 targets = 23c2f850.signing_policy 4042bcee.signing_policy \
           4a0a35c0.signing_policy 4f06f81d.signing_policy \
           6187b673.signing_policy 929e297e.signing_policy \
           23c2f850.0 4042bcee.0 4a0a35c0.0 4f06f81d.0 6187b673.0 929e297e.0 \
-          isrgrootx1.pem.txt \
-          letsencryptauthorityx3.pem.txt letsencryptauthorityx4.pem.txt
+          isrgrootx1.pem \
+          letsencryptauthorityx3.pem letsencryptauthorityx4.pem
 
 installfiles = $(targets) $(sources)
 
@@ -23,41 +23,41 @@ install : all
 	$(INSTALL) $(installfiles) $(DESTDIR)$(installdir)
 
 clean :
-	$(RM) *.0 *.signing_policy *.pem.txt
+	$(RM) *.0 *.signing_policy *.pem
 
 check : all
-	openssl verify -CApath . letsencryptauthorityx3.pem.txt
-	openssl verify -CApath . letsencryptauthorityx4.pem.txt
-
-23c2f850.signing_policy : letsencryptauthorityx4.signing_policy.txt
-	$(LINK) letsencryptauthorityx4.signing_policy.txt 23c2f850.signing_policy
-4042bcee.signing_policy : isrgrootx1.signing_policy.txt
-	$(LINK) isrgrootx1.signing_policy.txt 4042bcee.signing_policy
-4a0a35c0.signing_policy : letsencryptauthorityx3.signing_policy.txt
-	$(LINK) letsencryptauthorityx3.signing_policy.txt 4a0a35c0.signing_policy
-4f06f81d.signing_policy : letsencryptauthorityx3.signing_policy.txt
-	$(LINK) letsencryptauthorityx3.signing_policy.txt 4f06f81d.signing_policy
-6187b673.signing_policy : isrgrootx1.signing_policy.txt
-	$(LINK) isrgrootx1.signing_policy.txt 6187b673.signing_policy
-929e297e.signing_policy : letsencryptauthorityx4.signing_policy.txt
-	$(LINK) letsencryptauthorityx4.signing_policy.txt 929e297e.signing_policy
-
-23c2f850.0 : letsencryptauthorityx4.pem.txt
-	$(LINK) letsencryptauthorityx4.pem.txt 23c2f850.0
-4042bcee.0 : isrgrootx1.pem.txt
-	$(LINK) isrgrootx1.pem.txt 4042bcee.0
-4a0a35c0.0 : letsencryptauthorityx3.pem.txt
-	$(LINK) letsencryptauthorityx3.pem.txt 4a0a35c0.0
-4f06f81d.0 : letsencryptauthorityx3.pem.txt
-	$(LINK) letsencryptauthorityx3.pem.txt 4f06f81d.0
-6187b673.0 : isrgrootx1.pem.txt
-	$(LINK) isrgrootx1.pem.txt 6187b673.0
-929e297e.0 : letsencryptauthorityx4.pem.txt
-	$(LINK) letsencryptauthorityx4.pem.txt 929e297e.0
-
-isrgrootx1.pem.txt :
-	$(GET) https://letsencrypt.org/certs/isrgrootx1.pem.txt
-letsencryptauthorityx3.pem.txt :
-	$(GET) https://letsencrypt.org/certs/letsencryptauthorityx3.pem.txt
-letsencryptauthorityx4.pem.txt :
-	$(GET) https://letsencrypt.org/certs/letsencryptauthorityx4.pem.txt
+	openssl verify -CApath . letsencryptauthorityx3.pem
+	openssl verify -CApath . letsencryptauthorityx4.pem
+
+23c2f850.signing_policy : letsencryptauthorityx4.signing_policy
+	$(LINK) letsencryptauthorityx4.signing_policy 23c2f850.signing_policy
+4042bcee.signing_policy : isrgrootx1.signing_policy
+	$(LINK) isrgrootx1.signing_policy 4042bcee.signing_policy
+4a0a35c0.signing_policy : letsencryptauthorityx3.signing_policy
+	$(LINK) letsencryptauthorityx3.signing_policy 4a0a35c0.signing_policy
+4f06f81d.signing_policy : letsencryptauthorityx3.signing_policy
+	$(LINK) letsencryptauthorityx3.signing_policy 4f06f81d.signing_policy
+6187b673.signing_policy : isrgrootx1.signing_policy
+	$(LINK) isrgrootx1.signing_policy 6187b673.signing_policy
+929e297e.signing_policy : letsencryptauthorityx4.signing_policy
+	$(LINK) letsencryptauthorityx4.signing_policy 929e297e.signing_policy
+
+23c2f850.0 : letsencryptauthorityx4.pem
+	$(LINK) letsencryptauthorityx4.pem 23c2f850.0
+4042bcee.0 : isrgrootx1.pem
+	$(LINK) isrgrootx1.pem 4042bcee.0
+4a0a35c0.0 : letsencryptauthorityx3.pem
+	$(LINK) letsencryptauthorityx3.pem 4a0a35c0.0
+4f06f81d.0 : letsencryptauthorityx3.pem
+	$(LINK) letsencryptauthorityx3.pem 4f06f81d.0
+6187b673.0 : isrgrootx1.pem
+	$(LINK) isrgrootx1.pem 6187b673.0
+929e297e.0 : letsencryptauthorityx4.pem
+	$(LINK) letsencryptauthorityx4.pem 929e297e.0
+
+isrgrootx1.pem :
+	$(GET) https://letsencrypt.org/certs/isrgrootx1.pem
+letsencryptauthorityx3.pem :
+	$(GET) https://letsencrypt.org/certs/letsencryptauthorityx3.pem
+letsencryptauthorityx4.pem :
+	$(GET) https://letsencrypt.org/certs/letsencryptauthorityx4.pem